Aerospace series - Electrical contacts used in elements of connection - Part 071: Contacts, electrical, female, type A, crimp, class S - Product standard

This document specifies the required characteristics, tests and tooling applicable to female electrical contacts 071, type A, crimp, class S used in elements of connection according to EN 3155 002.
It is intended to be used together with EN 3155 001.
The associated male contacts are specified in EN 3155 008 and EN 3155 070.

Luft- und Raumfahrt - Elektrische Kontakte zur Verwendung in Verbindungselementen - Teil 071: Elektrische Buchsenkontakte, Typ A, crimpbar, Klasse S - Produktnorm

No Scope available

Série aérospatiale - Contacts électriques utilisés dans les organes de connexion - Partie 071 : Contacts électriques, femelles, type A, à sertir, classe S - Norme de produit

Le présent document spécifie les caractéristiques requises, les essais et l’outillage applicables aux contacts électriques femelles 071, de type A, à sertir, de classe S, utilisés dans les organes de connexion conformes à l’EN 3155 002.
Il est destiné à être utilisé conjointement avec l’EN 3155 001.
Les contacts mâles associés sont spécifiés dans l’EN 3155 008 et l’EN 3155 070.

Aeronavtika - Električni kontakti za uporabo v veznih elementih - 071. del: Kontakti, električni, ženski, tip A, nagubani, razred S - Standard za proizvod

General Information

Status
Not Published
Publication Date
10-Mar-2026
ICS
49.060 - Aerospace electric equipment and systems
Technical Committee
ASD-STAN - Aerospace
Drafting Committee
ASD-STAN/D 2/S 3 - Elements of Connection (Connectors, Contacts, rear accessories, crimping tools
Current Stage
6055 - CEN Ratification completed (DOR) - Publishing
Start Date
29-Sep-2025
Completion Date
29-Sep-2025
Ref Project
kSIST FprEN 3155-071:2025 - Aerospace series - Electrical contacts used in elements of connection - Part 071: Contacts, electrical, female, type A, crimp, class S - Product standard

Relations

Revises
EN 3155-071:2019 - Aerospace series - Electrical contacts used in elements of connection - Part 071: Contacts, electrical, female, type A, crimp, class S - Product standard
Effective Date
18-Jan-2023

Overview

FprEN 3155-071 is a CEN draft product standard in the Aerospace series that specifies the required characteristics, tests and tooling for female electrical contacts 071, type A, crimp, class S used in elements of connection per EN 3155-002. It is intended to be used together with EN 3155-001 (technical specification) and references associated male contact standards (EN 3155-008, EN 3155-070). This standard targets high-reliability aerospace connector contacts where temperature, mechanical endurance and electrical performance are critical.

Key topics and requirements

  • Scope and use: Defines product-level requirements for female, type A, crimp contacts, class S (operating temperature range −65 °C to +200 °C).
  • Dimensions and mass: Detailed dimensional requirements and tolerances (figures and tables) apply after surface treatment; active area and engagement points defined per EN 3155-001.
  • Materials & plating: Body material specified as copper alloy with gold plating over an appropriate undercoat; coating thickness/protection referenced to EN 3155-001.
  • Color coding: Band marking per ISO 8843 (Table 2) for rapid identification of contact sizes.
  • Permissible cables: Acceptable conductor sizes and rated test currents listed (AWG equivalents and ASD codes in Table 3).
  • Tooling:
    • Crimping tools conform to SAE AS 22520 (M22520 series positioners/selectors).
    • Insertion/extraction tools conform to SAE AS 81969 (M81969 series), with recommended part numbers for wired/unwired contacts.
  • Cable preparation: Specified stripped lengths for reliable crimp termination.
  • Tests and qualification: Detailed list referencing EN 2591 series tests - contact resistance, endurance, high-temperature aging (T = 200 ± 2 °C, 1 000 h), rapid temperature change (200 °C ↔ −65 °C), shock, vibration (EN 4165 modules used for size 22 test arrangements), tensile/crimp pull-out, plating adhesion and porosity, etc.
  • Gauging, marking & designation: Gauges, marking conventions and designation blocks follow EN 3155-001.

Practical applications and users

  • Who uses it: Connector and contact manufacturers, aerospace harness and cable assembly shops, avionics designers, quality/qualification engineers, procurement and maintenance teams in civil and military aerospace sectors.
  • Why it matters: Ensures interchangeability, reliable electrical and mechanical performance in harsh aerospace environments, and compliance with recognized crimping and tool standards for production and in-service maintenance.
  • Practical value: Guides selection of contacts, crimp tooling (M22520), insertion/extraction tools (M81969), test programs for qualification, and inspection criteria for production and repair.

Related standards

  • EN 3155-001 (technical specification)
  • EN 3155-002 (contact list/utilization)
  • EN 3155-008 / EN 3155-070 (male contacts)
  • EN 2083, EN 4434 (conductors)
  • EN 4165 (connector modules)
  • EN 2591 series (test methods)
  • ISO 8843, SAE AS 22520, SAE AS 81969

Keywords: FprEN 3155-071, aerospace electrical contacts, female type A crimp class S, crimping tools M22520, insertion/extraction M81969, EN 3155 product standard.

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Frequently Asked Questions

FprEN 3155-071 is a draft published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Electrical contacts used in elements of connection - Part 071: Contacts, electrical, female, type A, crimp, class S - Product standard". This standard covers: This document specifies the required characteristics, tests and tooling applicable to female electrical contacts 071, type A, crimp, class S used in elements of connection according to EN 3155 002. It is intended to be used together with EN 3155 001. The associated male contacts are specified in EN 3155 008 and EN 3155 070.

This document specifies the required characteristics, tests and tooling applicable to female electrical contacts 071, type A, crimp, class S used in elements of connection according to EN 3155 002. It is intended to be used together with EN 3155 001. The associated male contacts are specified in EN 3155 008 and EN 3155 070.

FprEN 3155-071 is classified under the following ICS (International Classification for Standards) categories: 49.060 - Aerospace electric equipment and systems. The ICS classification helps identify the subject area and facilitates finding related standards.

FprEN 3155-071 has the following relationships with other standards: It is inter standard links to EN 3155-071:2019. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

FprEN 3155-071 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


SLOVENSKI STANDARD
oSIST prEN 3155-071:2023
01-maj-2023
Nadomešča:
SIST EN 3155-071:2019
Aeronavtika - Električni kontakti za uporabo v veznih elementih - 071. del:
Kontakti, električni, ženski, tip A, nagubani, razred S - Standard za proizvod
Aerospace series - Electrical contacts used in elements of connection - Part 071:
Contacts, electrical, female, type A, crimp, class S - Product standard
Luft- und Raumfahrt - Elektrische Kontakte zur Verwendung in Verbindungselementen -
Teil 071: Elektrische Buchsenkontakte, Typ A, crimpbar, Klasse S - Produktnorm
Série aérospatiale - Contacts électriques utilisés dans les organes de connexion - Partie
071 : Contacts électriques, femelles, type A, à sertir, classe S - Norme de produit
Ta slovenski standard je istoveten z: prEN 3155-071
ICS:
49.060 Letalska in vesoljska Aerospace electric
električna oprema in sistemi equipment and systems
oSIST prEN 3155-071:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN 3155-071:2023
oSIST prEN 3155-071:2023
DRAFT
EUROPEAN STANDARD
prEN 3155-071
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2023
ICS 49.060 Will supersede EN 3155-071:2019
English Version
Aerospace series - Electrical contacts used in elements of
connection - Part 071: Contacts, electrical, female, type A,
crimp, class S - Product standard
Série aérospatiale - Contacts électriques utilisés dans Luft- und Raumfahrt - Elektrische Kontakte zur
les organes de connexion - Partie 071 : Contacts Verwendung in Verbindungselementen - Teil 071:
électriques, femelles, type A, à sertir, classe S - Norme Elektrische Buchsenkontakte, Typ A, crimpbar, Klasse
de produit S - Produktnorm
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee ASD-
STAN.
If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 3155-071:2023 E
worldwide for CEN national Members.

oSIST prEN 3155-071:2023
prEN 3155-071:2023 (E)
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Required characteristics . 5
4.1 Specific characteristics . 5
4.2 Dimensions and mass . 5
4.3 Marking by colour code . 6
4.4 Material, surface treatment . 7
4.5 Permissible cables . 7
4.6 Tooling . 7
4.6.1 Crimping tools . 7
4.6.2 Insertion/Extraction tools . 8
4.7 Cable stripping . 8
4.8 Tests . 9
4.9 Gauges . 11
5 Designation . 12
6 Marking . 12
7 Technical specification . 12
Bibliography . 13

oSIST prEN 3155-071:2023
prEN 3155-071:2023 (E)
European foreword
This document (prEN 3155-071:2023) has been prepared by the Aerospace and Defence Industries
Association of Europe — Standardization (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 is currently submitted to the CEN Enquiry.
This document will supersede EN 3155-071:2019.

oSIST prEN 3155-071:2023
prEN 3155-071:2023 (E)
1 Scope
This document specifies the required characteristics, tests and tooling applicable to female electrical
contacts 071, type A, crimp, class S used in elements of connection according to EN 3155-002.
It is intended to be used together with EN 3155-001.
The associated male contacts are specified in EN 3155-008 and EN 3155-070.
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 2083, Aerospace series — Copper or copper alloy conductors for electrical cables — Product standard
EN 2591 (all parts), Aerospace series — Elements of electrical and optical connection — Test methods
EN 3155-001, Aerospace series — Electrical contacts used in elements of connection — Part 001:
Technical specification
EN 3155-002, Aerospace series — Electrical contacts used in elements of connection — Part 002: List and
utilization of contacts
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 3155-070, Aerospace series — Electrical contacts used in elements of connection — Part 070:
Contacts, electrical, male, type A, crimp, class S — Product standard
EN 4165 (all parts), Aerospace series — Connectors, electrical, rectangular, modular — Operating
temperature 175 °C continuous
EN 4434, Aerospace series — Copper or copper alloy lightweight conductors for electrical
...

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