Name: EN 4121:2015
Brand: CEN

AEROSPACE SERIES - SHANK NUTS, SERRATED, SELF-LOCKING, IN HEAT RESISTING STEEL FE-PA2601 (A286), SILVER PLATED ON THREAD - CLASSIFICATION: 1100 MPA (AT AMBIENT TEMPERATURE)/650 DEGREES C

Published date

07-22-2015

Publisher

Comite Europeen de Normalisation

European foreword
1 Scope
2 Normative references
3 Requirements characteristics
4 Designation
5 Marking
6 Technical specification
7 Installation
Annex A (informative) - Standard evolution form

Describes the characteristics of self-locking serrated shank nuts in FE-PA2601, silver plated on thread, for aerospace applications.

DevelopmentNote	Supersedes PREN 4121. (07/2015)
DocumentType	Standard
PublisherName	Comite Europeen de Normalisation
Status	Current
Supersedes	PREN 4121 : 200P2

Standards	Relationship
UNI EN 4121:2016	Identical
I.S. EN 4121:2015	Identical
NEN EN 4121 : 2015	Identical
UNI EN 4121 : 2005	Identical
NS EN 4121 : 2003	Identical
DIN EN 4121:2015-09	Identical
SN EN 4121 : 2015	Identical
BS EN 4121:2015	Identical
NBN EN 4121 : 2015	Identical
NF EN 4121 : 2016	Identical
PN EN 4121 : 2015	Identical
UNE-EN 4121:2015	Identical

ISO 5855-2:1999	Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts
EN 3065 : 1996	AEROSPACE SERIES - INSTALLATION HOLES FOR SELF-LOCKING, SERRATED SHANK NUTS - DESIGN STANDARD
EN 3004:1997	Aerospace series - Nuts, self-locking, MJ threads, in heat resisting steel FE-PA2601 (A286) - Classification: 1 100 MPa (at ambient temperature)/650°C - Technical specification
EN 2786 : 2008	AEROSPACE SERIES - ELECTROLYTIC SILVER PLATING OF FASTENERS
EN 2399 : 2008	AEROSPACE SERIES - HEAT RESISTING STEEL FE-PA2601 (X4NICRTIMOV26-15) - R[M] >= 900 MPA - BARS FOR FORGED BOLTS - D <= 25 MM
EN 2424:2008	Aerospace series - Marking of aerospace products
EN 3064 : 1996	AEROSPACE SERIES - SHANK NUTS, SELF LOCKING, SERRATED - INSTALLATION PROCEDURE
PREN 3639 : 200P1	AEROSPACE SERIES - HEAT RESISTING ALLOY FE-PA2601 - SOFTENED AND COLD WORKED - WIRE FOR FORGED FASTENERS - D <= 15 MM - 900 MPA <= R[M] <= 1100 MPA