EN 4702-04:2017
(Main)Aerospace series - Quick release fastening systems for non-structural and lining applications - Part 04: Spring clamp
Aerospace series - Quick release fastening systems for non-structural and lining applications - Part 04: Spring clamp
This standard describes the dimensions, mass, tolerances and static values of quick-release and locking – clamps for use in fuselage interior equipment and non-structural or secondary structural area.
Luft- und Raumfahrt - Schnellverschlusssysteme für nicht-strukturelle und Innenausstattungsanwendungen - Teil 04: Feder-Clip
Série aérospatiale - Fixations rapides filetées pour applications non structurales et revêtements intérieurs - Partie 04 : Collier lyre
La présente norme européenne décrit les dimensions, les masses, les tolérances et les valeurs statiques des colliers à fixation rapide pour une utilisation dans les équipements à l'intérieur du fuselage et dans les zones non-structurales ou les zones structurales secondaires destinée aux applications aéronautiques.
Aeronavtika - Spončni sistemi za hitro sprostitev za nestrukturno uporabo in notranje obloge - 04. del: Vzmetna objemka
Ta standard opisuje dimenzije, maso, tolerance in statične vrednosti stojnih vijakov za hitro sproščanje in zapiranje za uporabo v notranji opremi v trupu letala ter nestrukturnem ali sekundarnem strukturnem območju.
General Information
Overview - EN 4702-04:2017 (Spring clamp)
EN 4702-04:2017 is a CEN (ASD-STAN) European aerospace standard that defines requirements for quick release fastening systems - specifically the spring clamp used in fuselage interior equipment and other non‑structural or secondary structural lining applications. The document specifies the clamp’s configuration, dimensions, mass, tolerances, material options, surface treatment and static (ultimate) loads, and sets out inspection, testing and marking requirements for manufacturing and qualification.
Key topics and technical requirements
- Scope: Applies to quick‑release and locking clamps for non‑structural interior fittings (fuselage lining, interior equipment).
- Geometry and mass: Detailed dimensions, tolerances and mass are given (referenced in the standard’s Figure 1 and Table 2). Unspecified tolerances follow ISO 2768 (EN 22768).
- Mechanical performance: Ultimate load values are defined (Table 1 - e.g., Type codes show ultimate loads in the published table) and an operating temperature range is stated in the document.
- Materials and coatings:
- Material code A: Alloy steel (1.1274) per EN 10132-4, with surface treatment per EN ISO 10683 (non‑electrolytically applied zinc flake).
- Material code C: Stainless steel (1.4310) per EN 10151 (no coating).
- Marking and identification: Product marking follows EN 2424 (Style F); package marking and identification requirements are included.
- Quality assurance & qualification:
- Suppliers are expected to operate an approved aerospace production quality system (e.g., EN 9100).
- Product qualification and required tests reference EN 4710-01 and follow qualification procedures such as EN 9133.
- Acceptance and qualification tests: Dimensional inspection, material checks, surface treatment, ultimate tensile load testing, corrosion resistance, function, endurance (e.g., cycles) and marking verification are included in Table 4 and EN 4710-01.
Practical applications and users
Who uses EN 4702-04:
- Aerospace OEMs and interior equipment manufacturers specifying quick‑release spring clamps for cabin panels, trim, insulation or secondary fittings.
- Fastener suppliers/manufacturers designing and producing spring clamps for fuselage interiors.
- Quality, procurement and certification teams ensuring components meet aerospace traceability, performance and qualification requirements. Practical benefits:
- Ensures interchangeability, repeatable performance and safety for non‑structural interior fastenings.
- Provides a clear basis for supplier qualification, acceptance testing and material selection.
Related standards
- EN 4710-01 - Quick release fastening systems: Technical specification (product qualification & tests)
- EN 2424 - Marking of aerospace products
- EN 10132-4, EN 10151 - Material delivery conditions for spring steels and stainless spring strip
- EN ISO 10683 - Zinc flake coatings for fasteners
- EN 22768 (ISO 2768) - General tolerances
- EN 9100, EN 9133 - Aerospace quality management and qualification procedures
Keywords: EN 4702-04:2017, spring clamp, quick release fastening systems, aerospace fasteners, fuselage interior, non‑structural fittings, clamp dimensions, material specification.
Frequently Asked Questions
EN 4702-04:2017 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Quick release fastening systems for non-structural and lining applications - Part 04: Spring clamp". This standard covers: This standard describes the dimensions, mass, tolerances and static values of quick-release and locking – clamps for use in fuselage interior equipment and non-structural or secondary structural area.
This standard describes the dimensions, mass, tolerances and static values of quick-release and locking – clamps for use in fuselage interior equipment and non-structural or secondary structural area.
EN 4702-04:2017 is classified under the following ICS (International Classification for Standards) categories: 49.035 - Components for aerospace construction. The ICS classification helps identify the subject area and facilitates finding related standards.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Luft- und Raumfahrt - Schnellverschlusssysteme für nicht-strukturelle und Innenausstattungsanwendungen - Teil 04: Feder-ClipSérie aérospatiale - Fixations rapides filetées applications structurales et non structurales et revêtements intérieurs - Partie 04: Collier lyreAerospace series - Quick release fastening systems for non-structural and lining applications - Part 04: Spring clamp49.030.99Drugi vezni elementiOther fastenersICS:Ta slovenski standard je istoveten z:EN 4702-04:2017SIST EN 4702-04:2018en,fr,de01-januar-2018SIST EN 4702-04:2018SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 4702-04
October
t r s y ICS
v {ä r u w English Version
Aerospace series æ Quick release fastening systems for nonæstructural and lining applications æ Part
r vã Spring clamp Série aérospatiale æ Fixations rapides filetées applications structurales et non structurales et revêtements intérieurs æ Partie
r vã Collier lyre
Luftæ und Raumfahrt æ Schnellverschlusssysteme für nichtæstrukturelle und Innenausstattungsanwendungen æ Teil
r vã FederæClipThis European Standard was approved by CEN on
t u July
t r s yä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels
t r s y CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
v y r tæ r vã t r s y ESIST EN 4702-04:2018
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