EN 4841-2:2022

SLOVENSKI STANDARD
01-julij-2022
Aeronavtika - Dušilniki vibracij z oblogami - 2. del: Tehnični pregled
Aerospace series - Shock mount with bushes - Part 2: Technical overview
Luft- und Raumfahrt - Schwingungsdämpfer mit Buchse - Teil 2: Technische Übersicht
Série aérospatiale - Amortisseur de vibrations avec douille - Partie 2 : Présentation
technique
Ta slovenski standard je istoveten z: EN 4841-2:2022
ICS:
49.035 Sestavni deli za letalsko in Components for aerospace
vesoljsko gradnjo construction
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 4841-2
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2022
EUROPÄISCHE NORM
ICS 49.035
English Version
Aerospace series - Shock mount with bushes - Part 2:
Technical overview
Série aérospatiale - Amortisseur de vibrations à bagues Luft- und Raumfahrt - Schwingungsdämpfer mit
- Partie 2 : Présentation technique Buchse - Teil 2: Technische Übersicht
This European Standard was approved by CEN on 12 July 2020.

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, Turkey 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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4841-2:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 6
4 Requirements . 6
4.1 Configuration, dimensions, tolerances and masses . 6
4.1.1 Configuration . 6
4.1.2 Dimensions, tolerances and masses . 6
4.1.3 Serviceable life . 6
4.1.4 Storage time . 6
4.1.5 Working life . 6
4.1.6 Temperature range . 6
4.1.7 Loads . 6
5 Assembly code definitions . 8
6 Materials . 9
7 Dimensions and mass . 11
8 Marking . 18
9 Designation . 18
10 Technical specification . 18
Annex A (informative) Overview of assembly with tie rods according to EN 4693, EN 4694
and EN 4695 . 19

European foreword
This document (EN 4841-2:2022) 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, prior to its presentation to CEN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by November 2022, and conflicting national standards
shall be withdrawn at the latest by November 2022.
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 European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
Introduction
This document is part of the series of EN mechanical standards for aerospace applications.
1 Scope
This document specifies the dimensions, masses, the tolerances and the required characteristics of
shock mounts with bushes for aerospace interior application and without contamination by phosphate-
ester hydraulic fluids.
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 2424:2008, Aerospace series — Marking of aerospace products
EN 4693, Aerospace series — Tie rod with integrated bolts — Assembly Code A, B and C
EN 4694, Aerospace series — Tie rod with integrated bolts — Assembly Code D, E and F
EN 4695, Aerospace series — Tie rod with integrated bolts — Assembly Code G, H and K
EN 4841-1, Aerospace series — Shock mount with bushes — Part 1: Technical specification
EN 22768-1:1993, General tolerances — Part 1: Tolerances for linear and angular dimensions without
individual tolerance indications (ISO 2768-1:1989)
EN 22768-2:1993, General tolerances — Part 2: Geometrical tolerances for features without individual
tolerance indications (ISO 2768-2:1989)
SAE AS 5316, Storage of Elastomer Seals and Seal Assemblies Which Include an Elastomer Element Prior
to Hardware Assembly
SAE AS 14102E, Bearing, Plain, Self-Lubricating, Self-Aligning, Low Speed, Wide, Chamfered Race,
−65 °F to 325 °F
LN 9368-1, Aerospace — Designation of surface treatments — Composition of code numbers, indications
in design documents, survey
LN 9368-4, Aerospace — Designation of surface treatments — Part 4: Code numbers for methods of
anodic treatment
WL 1.4548-2, Aerospace — Precipitation-hardening stainless chromium-nickel-copper steel with approx.
0,05C-16Cr-4Cu-4Ni — Bars and forgings
WL 3.1354-2, Aerospace — Wrought aluminium alloy with approx. 4,4Cu-1,5Mg-0,6Mn — Bars

Published by SAE, https://www.sae.org/
Published by: Beuth Verlag GmbH, https://www.beuth.de/de.
3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminological 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 Requirements
4.1 Configuration, dimensions, tolerances and masses
4.1.1 Configuration
The configuration shall be in accordance with Figure 1, Figure 2 and Figure 3.
4.1.2 Dimensions
...