EN 3748:2001
(Main)Aerospace series - O-ring grooves - Dimensions
General Information
- Abstract
This standard specifies the dimensions of grooves for use with o-rings according to EN-standards for aerospace applications:
- radial sealing: rod or bore mounted o-rings;
- axial sealing: internal or external pressure source.
- Status
- Withdrawn
- Publication Date
- 20-Nov-2001
- Withdrawal Date
- 16-Sep-2026
- Technical Committee
- ASD-STAN - Aerospace
- Drafting Committee
- ASD-STAN/D 3 - Mechanical
- Current Stage
- 9960 - Withdrawal effective - Withdrawal
- Start Date
- 25-Aug-2021
- Completion Date
- 17-Sep-2026
Relations
- Effective Date
- 12-Feb-2026
- Effective Date
- 25-Aug-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
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Frequently Asked Questions
EN 3748:2001 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - O-ring grooves - Dimensions". This standard covers: This standard specifies the dimensions of grooves for use with o-rings according to EN-standards for aerospace applications: - radial sealing: rod or bore mounted o-rings; - axial sealing: internal or external pressure source.
This standard specifies the dimensions of grooves for use with o-rings according to EN-standards for aerospace applications: - radial sealing: rod or bore mounted o-rings; - axial sealing: internal or external pressure source.
EN 3748:2001 is classified under the following ICS (International Classification for Standards) categories: 49.080 - Aerospace fluid systems and components. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 3748:2001 has the following relationships with other standards: It is inter standard links to ISO 23748:2016, ISO 286-2:1988, EN 1715-1:1997, EN 3746:2007, EN 3049:2025. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 3748:2001 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.Aerospace series - O-ring grooves - DimensionsLuft- und Raumfahrt - Nuten für O-Ringe - MaßeSérie aérospatiale - Gorges pour joints toriques - DimensionsAerospace series - O-ring grooves - Dimensions49.080Aerospace fluid systems and componentsICS:Ta slovenski standard je istoveten z:EN 3748:2001SIST EN 3748:2004en01-maj-2004SIST EN 3748:2004SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 3748November 2001ICS 49.080English versionAerospace series - O-ring grooves - DimensionsSérie aérospatiale - Gorges pour joints toriques -DimensionsLuft- und Raumfahrt - Nuten für O-Ringe - MaßeThis European Standard was approved by CEN on 11 August 2001.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3748:2001 ESIST EN 3748:2004
50: maximum run-out tolerance Y = 0,025Groove diameter d3
50: maximum run-out tolerance Y = 0,05Figure 1Table 1RoughnessRaRmax.continuouspressurewith pressurevariationcontinuouspressurewith pressurevariationSurface 5 MPa 5 MPa 5 MPa 5 MPa 5 MPa 5 MPa 5 MPa 5 MPaSidesurfaces3,212,5GrooveInsidediameter1,66,3Homologoussurface1,61,61,60,86,36,36,33,2SIST EN 3748:2004
50: maximum run-out tolerance Y = 0,025Groove diameter d6
50: maximum run-out tolerance Y = 0,05Figure 2Table 8RoughnessRaRmax.continuouspressurewith pressurevariationcontinuouspressurewith pressurevariationSurface 5 MPa 5 MPa 5 MPa 5 MPa 5 MPa 5 MPa 5 MPa 5 MPaSidesurfaces3,212,5GrooveInsidediameter1,66,3Homologoussurface1,61,61,60,86,36,36,33,2SIST EN 3748:2004
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