SIST EN 3385:2012
(Main)Aerospace series - Rings retaining, external, axial mounting, steel, vacuum cadmium plated
Aerospace series - Rings retaining, external, axial mounting, steel, vacuum cadmium plated
This European Standard defines the characteristics of axial mounting external retaining rings, in steel, vacuum cadmium plated, for aerospace applications.
Luft- und Raumfahrt - Sicherungsringe, axial auf Wellen montierbar, aus Stahl, vakuumverkadmet
Diese Norm legt die Merkmale von axial auf Wellen montierbaren Sicherungsringen aus Stahl, im Vakuum
verkadmet, zur Anwendung in der Luft- und Raumfahrt fest.
Série aérospatiale - Anneaux d’arrêt, à montage axial, type extérieur, en acier, cadmiés sous vide
La présente Norme Européenne définit les caractéristiques des anneaux d’arrêt, à montage axial, type extérieur, en acier, cadmiés sous vide, pour applications aérospatiales.
Aeronavtika - Varnostni obroči za zunanjo osno pritrditev, jekleni, vakuumsko kadmirani
Ta standard določa lastnosti jeklenih vakuumsko kadmiranih varnostnih obročev za zunanjo osno pritrditev v okrogle odprtine za uporabo v aeronavtiki.
General Information
- Status
- Published
- Publication Date
- 27-Mar-2012
- Technical Committee
- I13 - Imaginarni 13
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 23-Mar-2012
- Due Date
- 28-May-2012
- Completion Date
- 28-Mar-2012
Relations
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
Overview
SIST EN 3385:2012 specifies the characteristics of external retaining rings for axial mounting, made of steel with a vacuum cadmium plating. As part of the European aerospace standards series, this standard ensures the reliability, quality, and consistency of these crucial fastening elements used in aircraft and aerospace assemblies. The document is applicable across European nations, with harmonized adoption by national standards bodies.
Key Topics
- External Retaining Rings: Focuses on rings designed for axial mounting outside of shafts in aerospace assemblies.
- Material Specification: Requires the use of spring steel, with designated hardness parameters tailored for various diameter codes, ensuring strength and performance.
- Vacuum Cadmium Plating: Mandates a specified thickness (typically 5-9 μm) of cadmium applied via vacuum deposition, offering superior corrosion resistance and performance against harsh aerospace environments.
- Dimensional Standards: Includes detailed tables specifying key dimensions, tolerances, and mass for a comprehensive range of shaft diameters.
- Designation and Marking: Provides structured guidance for product identification, coding, and marking in accordance with aerospace conventions.
- Normative References: Relies on other aerospace standards related to marking, technical specifications, surface treatment, and groove dimensions, ensuring cross-standard compatibility.
Applications
SIST EN 3385:2012 retaining rings are essential components within:
- Aerospace Assemblies: Used in aircraft, spacecraft, and related ground-support equipment to securely retain components on shafts and within housings.
- Mechanical Joints: Common in securing bearings, gears, and other rotating or oscillating assemblies subject to significant dynamic loads.
- Maintenance and Retrofit: Recognized dimensions and characteristics simplify maintenance, repair, and retrofitting activities in aerospace fleets.
- High-Reliability Required Environments: The standard’s strict requirements for material, plating, and marking ensure retaining rings are suitable for applications where safety and reliability are critical.
The use of vacuum cadmium-plated steel retaining rings is particularly valued in aerospace due to:
- Corrosion Protection: Enhanced resistance to oxidation and chemical exposures extends service life in aggressive operational conditions.
- Dimensional Precision: Tight manufacturing tolerances help maintain mechanical alignment and reduce component wear.
- Traceability: Standardized marking facilitates traceability and compliance verification during inspections and audits.
Related Standards
For comprehensive compliance and seamless integration into aerospace designs, the following standards are referenced and closely related to SIST EN 3385:2012:
- EN 2424: Aerospace series - Marking of aerospace products, defining marking requirements to ensure traceability.
- EN 2535: Aerospace series - Vacuum deposition of cadmium, stipulating the cadmium plating process and thickness.
- EN 3380: Aerospace series - Rings retaining - Technical specification, offering technical guidelines for retaining rings.
- EN 3426: Aerospace series - Groove dimensions for axial mounting external type retaining rings, ensuring compatibility between rings and grooves.
SIST EN 3385:2012 is vital for organizations manufacturing, specifying, or maintaining aerospace systems, providing standardized requirements for axial mounting external retaining rings that enhance safety, interchangeability, and reliability in demanding environments. Use of this standard supports regulatory compliance and operational efficiency for aerospace manufacturers, operators, and service providers.
Get Certified
Connect with accredited certification bodies for this standard
BUREAU VERITAS Certification Germany
Bureau Veritas certification in Germany.
Element Materials Technology
Materials testing and product certification.
AQMS Ltd.
AQMS provides ISO certification to SMEs across the UK.
Sponsored listings
Frequently Asked Questions
SIST EN 3385:2012 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Rings retaining, external, axial mounting, steel, vacuum cadmium plated". This standard covers: This European Standard defines the characteristics of axial mounting external retaining rings, in steel, vacuum cadmium plated, for aerospace applications.
This European Standard defines the characteristics of axial mounting external retaining rings, in steel, vacuum cadmium plated, for aerospace applications.
SIST EN 3385:2012 is classified under the following ICS (International Classification for Standards) categories: 49.030.50 - Washers and other locking elements. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 3385:2012 has the following relationships with other standards: It is inter standard links to SIST EN 2535:2022, SIST EN 3380:2001, SIST EN 3426:2009, SIST EN 2424:2008. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 3385:2012 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
01-maj-2012
$HURQDYWLND9DUQRVWQLREURþL]D]XQDQMRRVQRSULWUGLWHYMHNOHQLYDNXXPVNR
NDGPLUDQL
Aerospace series - Rings retaining, external, axial mounting, steel, vacuum cadmium
plated
Luft- und Raumfahrt - Sicherungsringe, axial auf Wellen montierbar, aus Stahl,
vakuumverkadmet
Série aérospatiale - Anneaux d’arrêt, à montage axial, type extérieur, en acier, cadmiés
sous vide
Ta slovenski standard je istoveten z: EN 3385:2012
ICS:
49.030.50 Podložke in drugi blokirni Washers and other locking
elementi elements
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN 3385
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2012
ICS 49.030.50
English Version
Aerospace series - Rings retaining, external, axial mounting,
steel, vacuum cadmium plated
Série aérospatiale - Anneaux d'arrêt, à montage axial, type Luft- und Raumfahrt - Sicherungsringe, axial auf Wellen
extérieur, en acier, cadmiés sous vide montierbar, aus Stahl, vakuumverkadmet
This European Standard was approved by CEN on 24 September 2011.
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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2012 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 3385:2012: E
worldwide for CEN national Members.
Contents Page
Foreword . 3
1 Scope and field of application . 4
2 Normative references . 4
3 Required characteristics . 4
3.1 Configuration — Dimensions — Masses . 4
3.2 Materials . 4
3.3 Surface treatment . 4
4 Designation . 8
5 Marking. 8
6 Technical specification . 8
7 Mounting . 8
Foreword
This document (EN 3385:2012) 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 Standard 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 September 2012, and conflicting national standards shall be withdrawn
at the latest by September 2012.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland, Turkey and the United Kingdom.
1 Scope and field of application
This standard defines the characteristics of axial mounting external retaining rings, in steel, vacuum cadmium
plated, for aerospace applications.
2 Normative references
The following documents
...