SIST EN 4869-001:2025

SLOVENSKI STANDARD
01-februar-2025
Aeronavtika - Razširjeni optični zaključki, nefizični stik optičnih vlaken v
standardnih votlinah po standardu EN 3645 - 001. del: Tehnična specifikacija
Aerospace series - Expanded beam termini, fibre optic non-physical contact in EN 3645
standard cavities - Part 001: Technical specification
Luft- und Raumfahrt - Strahlaufweitender Anschluss, berührungsloser
Lichtwellenleiterkontakt in EN 3645-Standardkontaktkammern - Teil 001: Technische
Lieferbedingungen
Série aérospatiale - Contact à faisceau expansé, fibre optique sans contact physique
dans alvéoles standards EN 3645 - Partie 001 : Spécification technique
Ta slovenski standard je istoveten z: EN 4869-001:2024
ICS:
49.090 Oprema in instrumenti v On-board equipment and
zračnih in vesoljskih plovilih instruments
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 4869-001
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2024
EUROPÄISCHE NORM
ICS 49.090
English Version
Aerospace series - Expanded beam termini, fibre optic
non-physical contact in EN 3645 standard cavities - Part
001: Technical specification
Série aérospatiale - Terminaisons à faisceau élargi, Luft- und Raumfahrt - Strahlaufweitender Anschluss,
contact à fibre optique non physique dans des cavités berührungsloser Lichtwellenleiterkontakt in EN 3645-
EN 3645 standard - Partie 001 : Spécification technique Standardkontaktkammern - Teil 001: Technische
Lieferbedingungen
This European Standard was approved by CEN on 19 August 2024.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4869-001:2024 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 9
4 Description . 9
4.1 General. 9
4.2 Receptacle. 9
4.3 Plug . 9
4.4 Materials and surface treatment . 10
4.4.1 General. 10
4.4.2 Housing . 10
4.4.3 Contacts . 10
4.4.4 Non-metallic materials . 10
5 Design . 10
5.1 Housings . 10
5.2 Inserts . 10
6 Definition drawings and masses . 10
6.1 General. 10
6.2 Receptacle mating dimensions . 10
6.3 Plug mating dimensions . 11
6.4 Receptacle and plug polarization . 11
6.5 Dimensions of the rear part of the connectors . 11
6.5.1 Accessory interface dimensions . 11
6.5.2 Size 8 cavity – rear dimensions . 11
6.5.3 Size 12 cavity – piggyback boot style . 11
6.6 Contact arrangements . 12
6.7 Contact dimensions . 34
7 Tests . 34
7.1 Tests according to EN 2591-100 . 34
7.2 Special tests . 40
7.2.1 Resistance to fluids . 40
8 Quality assurance . 40
8.1 General. 40
8.2 Qualification . 41
8.2.1 General. 41
8.2.2 Sampling and definition of specimens . 41
8.2.3 Preparation of specimens . 41
8.2.4 Programme of qualification tests . 41
8.2.5 Number of active channels . 44
8.2.6 Acceptance. 44
8.2.7 Quality control . 44
8.2.8 Sampling distribution . 44
9 Designation and marking . 45
9.1 General principle of designation . 45
9.2 Marking . 45
9.2.1 Connectors (receptacle or plug) . 45
9.2.2 Optical contact . 45
Bibliography . 46

European foreword
This document (EN 4869-001:2024) has been prepared by ASD-STAN.
After enquiries and votes carried out in accordance with the rules of this Association, this document has
received the approval of the National Associations and the Official Services of the member countries of
ASD-STAN, prior to its presentation to CEN.
This document shall be given the status of a national standard, either by publication of an identical text
or by endorsement, at the latest by June 2025, and conflicting national standards shall be withdrawn at
the latest by June 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this document: Austria, Belgium, Bulgaria, Croatia, Cyprus,
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North
Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Introduction
The family of connectors used in this document is in accordance with EN 3645-001. The optical termini,
which are using the expanded beam technology, are specially adapted to the cavities of this kind of
connectors. It is particularly suitable for use in zones of severe environmental conditions on board
aircraft, applying EN 2282.
1 Scope
This document specifies the general characteristics, the conditions for qualification, acceptance and
quality assurance, as well as the test programs and groups for threaded ring coupling circular
connectors with expanded beam termini, intended for use in a temperature range from −55 °C to 125 °C
continuous.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 2591-100, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 100: General
EN 2591-101, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 101: Visual examination
EN 2591-102, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 102: Examination of dimensions and mass
EN 2591-302, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 302: Climatic sequence
EN 2591-304, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 304: Damp heat steady state
EN 2591-308, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 308: Sand and dust
EN 2591-311, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 311: Low air pressure
EN 2591-312, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 312: Air leakage
EN 2591-315, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 315: Fluid resistance
EN 2591-403:2018, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 403: Sinusoidal and random vibration
EN 2591-407, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 407: Durability of contact retention system and seals
EN 2591-408, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 408: Mating and unmating forces

Published as ASD-STAN prEN at the date of publication of this document, available at:
https://www.asd-stan.org/.
EN 2591-409, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 409: Contact retention in insert
EN 2591-410, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 410: Insert retention in housing (axial)
EN 2591-412, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 412: Contact insertion and extraction forces
EN 2591-413, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 413: Holding force of grounding spring system
EN 2591-426, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 426: Contact retention system effectiveness
EN 2591-506, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 506: Use of tools
EN 2591-601, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 601: Optical elements — Insertion loss
EN 2591-602, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 602: Optical elements — Variation of attenuation and optical discontinuity
EN 2591-604, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 604: Optical elements — Cleaning capability of optical face
EN 2591-605, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 605: Optical elements — Return loss
EN 2591-607, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 607: Optical elements — Immunity to ambient light coupling
EN 2591-609, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 609: Optical elements — Effectiveness of cable attachment — Cable cyclic flexing
EN 2591-610, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 610: Optical elements — Effectiveness of cable attachment — Cable pulling
EN 2591-611, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 611: Optical elements — Effectiveness of cable attachment — Cable torsion
EN 2591-612, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 612: Optical elements — Effectiveness of cable attachment — Cable axial compression
EN 2591-613, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 613: Optical elements — Impact test
EN 2591-615, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 615: Optical elements — Connection integrity at temperature
EN 2591-617, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 617: Optical elements — Temperature cycling
EN 2591-6101, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6101: Optical elements — Visual examination
EN 2591-6301, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6301: Optical elements — Endurance at temperature
EN 2591-6303, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6303: Optical elements — Cold/low pressure and damp heat
EN 2591-6305, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6305: Optical elements — Rapid change of temperature
EN 2591-6307, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6307: Optical elements — Salt mist
EN 2591-6314, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6314: Optical elements — Immersion at low air pressure
EN 2591-6316, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6316: Optical elements — Ozone resistance
EN 2591-6317, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6317: Optical elements — Flammability
EN 2591-6321, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6321: Optical elements — Damp heat, cyclic test
EN 2591-6402, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6402: Optical elements — Shock
EN 2591-6403, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6403: Optical elements — Vibrations
EN 2591-6404, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6404: Optical elements — Transverse load
EN 2591-6405, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6405: Optical elements — Axial load
EN 2591-6406, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6406: Optical elements — Mechanical endurance
EN 2591-6414, Aerospace series — Elements of electrical and optical connection — Test methods —
Part 6414: Optical elements — Unmating of lanyard release optical connection elements
EN 3155-008, Aerospace series — Electrical contacts used in elements of connection — Part 008:
Contacts, electrical, male, type A, crimp, class S — Product standard
EN 3155-009, Aerospace series — Electrical contacts used in elements of connection — Part 009:
Contacts, electrical, female, type A, crimp, class S — Product standard
EN 3197, Aerospace series — Design and installation of aircraft electrical and optical interconnection
systems
EN 3645-001, Aerospace series — Connectors, electrical, circular, scoop-proof, triple start threaded
coupling, operating temperature 175 °C or 200 °C continuous — Part 001: Technical specification
EN 3645-002, Aerospace series — Connectors, electrical, circular, scoop-proof, triple start threaded
coupling, operating temperature 175 °C or 200 °C continuous — Part 002: Specification of performance
and contact arrangements
EN 3909, Aerospace series — Test fluids and test methods for electrical and optical components and sub-
assemblies
EN 4869-101, Aerospace series — Expanded beam termini, fibre optic non-physical contact in EN 3645
standard cavities — Part 101: Multimode male termini size 16 — Technical specification
EN 4869-102, Aerospace series — Expanded beam termini, fibre optic non-physical contact in EN 3645
standard cavities — Part 102: Multimode female termini size 16 — Technical specification
EN 4869-103, Aerospace series — Expanded beam termini, fibre optic non-physical contact in EN 3645
standard cavities — Part 103: Multimode male termini size 12 — Technical specification
EN 4869-104, Aerospace series — Expanded beam termini, fibre optic non-physical contact in EN 3645
standard cavities — Part 104: Multimode female termini size 12 — Technical specification
EN 9133, Aerospace series — Quality management systems — Qualification procedure for aerospace
standard products
ISO 27874, Metallic and other inorganic coatings — Electrodeposited gold and gold alloy coatings for
electrical, electronic and engineering purposes — Specification and test methods
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 2591-100 apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp/
— IEC Electropedia: available at https://www.electropedia.org/
4 Description
4.1 General
General description shall be as specified in EN 3645-001.
4.2 Receptacle
Receptacle description shall be as specified in EN 3645-001.
4.3 Plug
Plug description shall be as specified in EN 3645-001.
4.4 Materials and surface treatment
4.4.1 General
When dissimilar metals are in close contact, adequate protection against corrosion shall be used for the
electromotive force of the cell not to exceed 0,25 V (according to EN 3197).
4.4.2 Housing
The material of the housings for the connectors and fittings may be either aluminium alloy, passivated
stainless steel or composite. Aluminium alloy and composite shall be plated as defined by the class
(composite coupling rings and Hex nut may be unplated) (according to EN 3645-002).
4.4.3 Contacts
Unless otherwise specified, the non-removable electrical contacts shall be in copper alloy.
They shall be gold-plated on an appropriate undercoat. Selective protection is authorized provided that
it is sufficient to ensure that the specified performance is achieved.
Measurement of the thickness of the protective plating shall be effected in accordance with ISO 27874.
Removable electrical contacts shall be in accordance with EN 3645-002.
Optical contacts shall be in accordance with EN 4869-101, EN 4869-102, EN 4869-103 and EN 4869-104.
4.4.4 Non-metallic materials
The materials used for inserts, seals and grommets shall have a hardness and mechanical and electrical
characteristics consistent with the required use.
5 Design
5.1 Housings
Housing description shall be as specified in EN 3645-001.
5.2 Inserts
Inserts description shall be as specified in EN 3645-001.
6 Definition drawings and masses
6.1 General
The general dimensions and the masses of receptacles, plugs and protective covers are given in the
product standards.
6.2 Receptacle mating dimensions
Receptacle mating dimensions shall be in accordance with EN 3645-001.
The mating dimensions for lensed contact are the same as for the electrical contact.
6.3 Plug mating dimensions
Plug mating dimensions shall be in accordance with EN 3645-001.
The mating dimensions for lensed contact are the same as for the electrical contact.
6.4 Receptacle and plug polarization
Receptacle and plug polarization shall be in accordance with EN 3645-001.
6.5 Dimensions of the rear part of the connectors
6.5.1 Accessory interface dimensions
Accessory interface dimensions shall be in accordance with EN 3645-001.
6.5.2 Size 8 cavity – rear dimensions
Size 8 cavity – rear dimensions shall be in accordance with EN 3645-001.
6.5.3 Size 12 cavity – piggyback boot style
The piggyback boot style can be used to reinforce sealing (altitude immersion) on the rear of a
connector with EN 4869-103 and EN 4869-104 termini.
See details of the piggyback boot style in Figure 1.

Figure 1 — Piggyback boot style for size 12 cavity
Can be used with selected contact arrangement: 11-12; 13-26; 17-06; 17-22.
See details of associated sealing reinforcing boot in Figure 2.
Figure 2 — Sealing boot for size 12 cavity
6.6 Contact arrangements
The contact arrangements selected for expanded beam termini size 16 and size 12 are issued from
EN 3645-001.
The contact arrangements in the inserts are specified by Figures 3 to 34, which show the front face of
male inserts. Applicable tolerances: according to EN 3645-001.

11N02 and 11G02  11N12
Rating I Rating II
2 contacts, size 16 1 contact, size 12

X Y  X Y
Contact Contact
mm mm mm mm
A +2,41 0  A 0 0
B −2,41 0
Figure 3  Figure 4
13N26
13N04 and 13G04
Rating M
Rating I
2 contacts, size 12
4 contacts, size 16
6 contacts, size 22
X Y  X Y
Contact Contact
mm mm mm mm
A 0 +3,81  A 0 +3,47
B +3,71 +0,89  B +2,47 +4,34
C 0 −2,11  C +2,47 −4,34
D −3,71 +0,89  D 0 −3,47
E −2,47 −4,34
F −2,47 +4,34
1 +3,25 0
2 −3,25 0
Figure 5  Figure 6
15N05 and 15G05 15N15 15N97
Rating II Rating I Rating I
5 contacts, size 16 14 contacts, size 20 8 contacts, size 20
1 contact, size 16 4 contacts, size 16

X Y   X Y   X Y
Contact Contact Contact
mm mm mm mm mm mm
A 0 +2,54   A +2,54 +5,72   A +1,65 +5,94
B +4,42 +0,61   B +5,13 +3,56   B +4,52 +4,52
C +2,39 −3,76   C +6,20 +0,36   C +5,84 −0,58
D −2,39 −3,76   D +5,54 −2,87   D +4,52 −4,52
E −4,42 +0,61   E +3,20 −5,31   E +1,65 −5,94
F 0 −6,22   F −2,26 −5,97
G −3,20 −5,31   G −5,26 −2,41
H −5,54 −2,87   H −5,94 +1,65
J −6,20 +0,36   J −4,52 +4,52
K −5,13 +3,56   K −1,65 +5,94
L −2,54 +5,72   L −1,19 +2,06
M 0 +3,56   M +1,19 −2,06
N +2,79 +1,02
P 0 −1,96
R −2,79 +1,02
Figure 7 Figure 8 Figure 9
17N06 and 17G06 17N08 and 17G08 17N20
Rating I Rating II Rating M
6 contacts, size 12 8 contacts, size 16 4 contacts, size 12
16 contacts, size 22
X Y   X Y   X Y
Contact Contact Contact
mm mm mm mm mm mm
A +3,070 +5,31   A 0 +5,99   A 0 +5,51
B +6,12 0   B +3,25 +2,18   B +3,18 0
C 0 −6,12   C +5,84 −1,98   C 0 −5,51
D −6,12 0   D +2,39 −5,49   D −3,18 0
E −3,07 +5,31   E −2,39 −5,49   1 +4,17 +7,06
F 0 0   F −5,84 −1,98   2 +4,29 +4,29
G −3,25 +2,18   3 +7,11 +4,04
H 0 −1,32   4 +8,05 +1,40
5 +8,05 −1,40
6 +7,11 −4,04
7 +4,29 −4,29
8 +4,17 −7,06
9 −4,17 −7,06
10 −4,29 −4,29
11 −7,11 −4,04
12 −8,05 −1,40
13 −8,05 +1,40
14 −7,11 +4,04
15 −4,29 +4,29
16 −4,17 +7,06
Figure 10 Figure 11 Figure 12
17G22 or 17N22 17Q22 or 17L22
Rating M Rating M
2 contacts, size 8 2 QUADRAX contacts, size 8
2 contacts, size 12 2 contacts, size 12

X Y
Contact
mm mm
A 0 +4,57
B +6,32 0
C 0 −4,57
D −6,32 0
Figure 13
17N99
Rating I
2 contacts, size 16
21 contacts, size 20
X Y X Y
Contact Contact
mm mm mm mm
A 0 +8,15 N −7,75 +2,51
B +3,33 +7,44 P −6,07 +5,44
C +6,07 +5,44 R −3,33 +7,44
D +7,75 +2,51 S −1,78 +4,50
E +8,10 −0,86 T +1,78 +4,50
F +7,06 −4,09 U +4,45 +2,39
G +4,80 −6,60 V +3,81 −1,91
H +1,70 −7,98 W 0 −4,09
J −1,70 −7,98 X −3,81 −1,91
K −4,80 −6,60 Y −4,45 +2,39
L −7,06 −4,09 Z 0 +0,64
M −8,10 −0,86
Figure 14
19N11 19N12
Rating I Rating M
11 contacts, size 16 6 contacts, size 20
4 contacts, size 16
2 contacts, size 8
X Y X Y X Y X Y
Contact Contact   Contact Contact
mm mm mm mm mm mm mm mm
A +2,67 +6,60 G −6,99 −1,
...