EN 4551:2003
(Main)Aerospace series - Pipe coupling 37°, in heat resisting steel - Swivel nuts - Inch series
Aerospace series - Pipe coupling 37°, in heat resisting steel - Swivel nuts - Inch series
This standard specifies the characteristics of swivel nuts for inch series pipe couplings, 37°, in heat resisting steel, for aerospace applications.
Nominal pressure: Class D in accordance with ISO 6771.
Luft- und Raumfahrt - Rohrverschraubung, 37°, aus hochwarmfestem Stahl - Überwurfmuttern - Inch-Reihe
Diese Norm legt die Eigenschaften von Überwurfmuttern für Rohrverschraubungen 37° der Inch-Reihe, aus hochwarmfestem Stahl, für Anwendungen in der Luft- und Raumfahrt fest.
Nenndruck: Klasse D nach ISO 6771.
Série aérospataile - Système de raccordement 37°, en acier résistant à chaud - Ecrous prisonniers - Série inch
Aerospace series - Pipe coupling 37°, in heat resisting steel - Swivel nuts - Inch series
General Information
- Status
- Withdrawn
- Publication Date
- 25-Feb-2003
- Withdrawal Date
- 20-Jan-2026
- Technical Committee
- ASD-STAN - Aerospace
- Drafting Committee
- ASD-STAN/D 3 - Mechanical
- Current Stage
- 9960 - Withdrawal effective - Withdrawal
- Start Date
- 01-Oct-2014
- Completion Date
- 28-Jan-2026
Relations
- Effective Date
- 08-Oct-2014
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
Get Certified
Connect with accredited certification bodies for this standard
National Aerospace and Defense Contractors Accreditation Program (NADCAP)
Global cooperative program for special process quality in aerospace.
NSF-ISR
NSF International Strategic Registrations.
Orion Registrar Inc.
US-based certification body for management systems.
Sponsored listings
Frequently Asked Questions
EN 4551:2003 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Pipe coupling 37°, in heat resisting steel - Swivel nuts - Inch series". This standard covers: This standard specifies the characteristics of swivel nuts for inch series pipe couplings, 37°, in heat resisting steel, for aerospace applications. Nominal pressure: Class D in accordance with ISO 6771.
This standard specifies the characteristics of swivel nuts for inch series pipe couplings, 37°, in heat resisting steel, for aerospace applications. Nominal pressure: Class D in accordance with ISO 6771.
EN 4551:2003 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 4551:2003 has the following relationships with other standards: It is inter standard links to EN 4551:2014, EN 4560:2015, EN 10244-1:2009, EN 2424:2008, EN 2491:2011, EN 2786:2008, EN 3487:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 4551:2003 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 - Pipe coupling 37°, in heat resisting steel - Swivel nuts - Inch seriesLuft- und Raumfahrt - Rohrverschraubung, 37°, aus hochwarmfestem Stahl - Überwurfmuttern - Inch-ReiheSérie aérospataile - Systeme de raccordement 37°, en acier résistant a chaud - Ecrous prisonniers - Série inchAerospace series - Pipe coupling 37°, in heat resisting steel - Swivel nuts - Inch series49.080Aerospace fluid systems and componentsICS:Ta slovenski standard je istoveten z:EN 4551:2003SIST EN 4551:2004en01-maj-2004SIST EN 4551:2004SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 4551February 2003ICS 49.080English versionAerospace series - Pipe coupling 37°, in heat resisting steel -Swivel nuts - Inch seriesSérie aérospatiale - Système de raccordement 37°, enacier résistant à chaud - Ecrous prisonniers - Série inchThis European Standard was approved by CEN on 14 September 2002.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,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovak Republic, Spain, Sweden, Switzerland andUnited Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4551:2003 ESIST EN 4551:2004
...
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...