Name: EN 3431 : 2007
Brand: CEN

AEROSPACE SERIES - NUTS, HEXAGONAL, SELF-LOCKING, WITH COUNTERBORE AND CAPTIVE WASHER, IN HEAT RESISTING STEEL, SILVER PLATED - CLASSIFICATION: 1100 MPA (AT AMBIENT TEMPERATURE)/425 DEGREES C

Published date

12-12-2007

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Required characteristics
4 Designation
5 Marking
6 Technical specification

Describes the characteristics of self-locking hexagonal nuts, with counterbore and captive washer, in heat resisting steel, silver plated.

DevelopmentNote	Supersedes PREN 3431. (02/2008)
DocumentType	Standard
PublisherName	Comite Europeen de Normalisation
Status	Current
Supersedes	PREN 3431 : 200P1

EN 9100:2009	Quality Management Systems - Requirements for Aviation, Space and Defense Organizations
ISO 8788:2000	Aerospace Nuts, metric Tolerances of form and position
ISO 5855-2:1999	Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts
EN 2516:1997	Aerospace series - Passivation of corrosion resisting steels and decontamination of nickel base alloys
ISO 5858:1999	Aerospace Nuts, self-locking, with maximum operating temperature less than or equal to 425 degrees C Procurement specification
PREN 2786 : 200P1	AEROSPACE SERIES - ELECTROLYTIC SILVER PLATING OF FASTENERS
EN 2424:2008	Aerospace series - Marking of aerospace products
ISO 9001:2015	Quality management systems — Requirements
TR 3791 : 3	AEROSPACE SERIES - MATERIALS FOR SELF-LOCKING NUTS, THREADED INSERTS AND SCREW THREAD INSERTS OF TEMPERATURE CLASSES <= 425 DEGREES C
ISO 8538:1999	Aerospace Nuts, hexagonal, self-locking, with counterbore and captive washer, with MJ threads, classifications: 1 100 MPa (at ambient temperature)/235 degrees C, 1 100 MPa (at ambient temperature)/315 degrees C and 1 100 MPa (at ambient temperature)/425 degrees C Dimensions