EN 3384:2012
(Main)Aerospace series - Rings retaining, external, axial mounting, steel, phosphated
Aerospace series - Rings retaining, external, axial mounting, steel, phosphated
This European Standard defines the characteristics of axial mounting external retaining rings, in steel, phosphated, for aerospace applications.
The phosphating restricts the use at temperatures not exceeding 200 °C.
Luft- und Raumfahrt - Sicherungsringe, axial auf Wellen montierbar, aus Stahl, phosphatiert
Diese Norm legt die Merkmale von axial auf Wellen montierbaren Sicherungsringen aus Stahl mit
Phosphatbeschichtung zur Anwendung in der Luft- und Raumfahrt fest.
Die Phosphatbeschichtung beschränkt die Verwendung auf Temperaturen von nicht mehr als 200 °C.
Série aérospatiale - Anneaux d’arrêt, à montage axial, type extérieur, en acier, phosphatés
La présente Norme Européenne définit les caractéristiques des anneaux d’arrêt, à montage axial, type extérieur, en acier, phosphatés pour applications aérospatiales.
La phosphatation limite l’utilisation à des températures ne dépassant pas 200 °C.
Aeronavtika - Varnostni obroči za zunanjo osno pritrditev, jekleni, fosfatirani
Ta standard določa lastnosti jeklenih fosfatiranih varnostnih obročev za zunanjo osno pritrditev v okrogle odprtine za uporabo v aeronavtiki. Fosfatiranje omejuje uporabo na temperature, ki ne presegajo 200 °C.
General Information
- Status
- Published
- Publication Date
- 06-Mar-2012
- Withdrawal Date
- 29-Sep-2012
- Technical Committee
- ASD-STAN - Aerospace
- Drafting Committee
- ASD-STAN/D 3 - Mechanical
- Current Stage
- 9093 - Decision to confirm - Review Enquiry
- Start Date
- 30-Jun-2017
- Completion Date
- 11-Feb-2026
Relations
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Refers
EN 3426:2006 - Aerospace series - Groove dimensions for axial mounting external type retaining rings - Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
Overview
EN 3384:2012, issued by the European Committee for Standardization (CEN), defines the characteristics and requirements for external, axial mounting retaining rings made of phosphated steel for aerospace applications. This standard ensures that such retaining rings meet consistent quality, performance, and safety criteria, particularly for use in aerospace systems. The phosphated coating restricts use to operating temperatures not exceeding 200 °C, making the rings suitable for a wide range of aircraft and spacecraft applications where high reliability and strength are essential.
Key Topics
- Product Definition and Scope: EN 3384:2012 is focused on steel retaining rings with axial mounting, external type, and a specific phosphated finish, intended for aerospace systems.
- Material Specifications: The standard specifies high-grade spring steels with prescribed hardness levels, ensuring durability and consistent performance.
- Surface Treatment: Phosphating, in accordance with EN 2793, Class A, improves resistance to corrosion and offers a suitable surface for storage with protective greasing or oiling.
- Dimensional Requirements: Detailed dimensions, tolerances, and mass values are provided for a broad range of shaft diameters, supporting standardization and interchangeability.
- Designation and Marking: The standard stipulates a consistent method for part designation and marking as per EN 2424 for product traceability and identification.
- Mounting Requirements: Guidance on compatible groove dimensions for mounting is referenced from EN 3426 to ensure proper installation and functionality.
- Technical Reference: Comprehensive technical requirements and tests are established by referencing EN 3380.
Applications
EN 3384:2012 retaining rings are crucial components in aerospace engineering, where reliability, precision, and standardization are vital. Typical uses include:
- Securing Components: Used to axially secure bearings, gears, sleeves, and other hardware on shafts within aircraft assemblies, reducing risk of axial displacement.
- Compatibility with Aerospace Systems: The defined dimensions and properties ensure seamless integration with standard aerospace hardware and assemblies.
- Enhanced Durability: Phosphated steel rings are suitable for environments where moderate resistance to corrosion and phosphate-related protection are necessary.
- Temperature Limitations: Best deployed in applications where operating temperatures remain below 200 °C due to the phosphated coating restriction.
- Support for Maintenance and Replacement: Standardization simplifies the processes of identification, sourcing, and replacement in maintenance operations across European aerospace industries.
Related Standards
For full utilization and conformity, EN 3384:2012 references several key standards:
- EN 2424: Aerospace series - Marking of aerospace products; defines rules for marking and identification on aerospace components.
- EN 3380: Aerospace series - Rings retaining - Technical specification; provides general requirements for retaining rings.
- EN 3426: Aerospace series - Groove dimensions for axial mounting external type retaining rings; supplies groove dimensions necessary for correct assembly.
- EN 2793: Aerospace series - Phosphating of steel parts; details methods for phosphate treatment as required by EN 3384.
- ICS 49.030.50: International Classification for Standards covering washers and other locking elements in aerospace engineering.
Conclusion
Adhering to EN 3384:2012 ensures that retaining rings for axial, external use in aerospace systems are reliable, consistent, and safe. This standard supports the quality management, interchangeability, and maintenance efficiency necessary in demanding aerospace environments. By following the EN 3384 requirements and referencing the associated standards, organizations can achieve compliance and boost operational integrity in aerospace component assembly and maintenance.
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
EN 3384:2012 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Rings retaining, external, axial mounting, steel, phosphated". This standard covers: This European Standard defines the characteristics of axial mounting external retaining rings, in steel, phosphated, for aerospace applications. The phosphating restricts the use at temperatures not exceeding 200 °C.
This European Standard defines the characteristics of axial mounting external retaining rings, in steel, phosphated, for aerospace applications. The phosphating restricts the use at temperatures not exceeding 200 °C.
EN 3384:2012 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.
EN 3384:2012 has the following relationships with other standards: It is inter standard links to EN 3380:1996, EN 2424:2008, EN 3426:2006, EN 3386:2012. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 3384:2012 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)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Luft- und Raumfahrt - Sicherungsringe, axial auf Wellen montierbar, aus Stahl, phosphatiertSérie aérospatiale - Anneaux d’arrêt, à montage axial, type extérieur, en acier, phosphatésAerospace series - Rings retaining, external, axial mounting, steel, phosphated49.030.50Podložke in drugi blokirni elementiWashers and other locking elementsICS:Ta slovenski standard je istoveten z:EN 3384:2012SIST EN 3384:2012en01-maj-2012SIST EN 3384:2012SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 3384
March 2012 ICS 49.030.50 English Version
Aerospace series - Rings retaining, external, axial mounting, steel, phosphated
Série aérospatiale - Anneaux d'arrêt, à montage axial, type extérieur, en acier, phosphatés
Luft- und Raumfahrt - Sicherungsringe, axial auf Wellen montierbar, aus Stahl, phosphatiert 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 worldwide for CEN national Members. Ref. No. EN 3384:2012: ESIST EN 3384:2012
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.
Loading comments...