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CEN
EN 3720 : 1995

EN 3720 : 1995

Current

Current

The latest, up-to-date edition.

Aerospace series - Nuts, bihexagonal, self-locking, in heat resisting steel FE-PA92HT (A286), MoS2 coated - Classification: 1 100 MPa (at ambient temperature) / 425 °C

Published date

07-19-1995

Publisher

Comite Europeen de Normalisation

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

This standard specifies the characteristics of self-locking bihexagonal nuts in FE-PA92HT, MoS2 coated, for aerospace applications.

DevelopmentNote
Supersedes PREN 3720 (11/2003)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current
Supersedes

Standards Relationship
NS EN 3720 : 1ED 1995 Identical
UNE-EN 3720:1996 Identical
NF EN 3720 : 1995 Identical
PN EN 3720 : 2000 Identical
SNV DIN EN 3720 : 1995 Identical
NBN EN 3720 : 1995 Identical
NEN EN 3720 : 1995 Identical
I.S. EN 3720:1996 Identical
DIN EN 3720:1995-08 Identical
UNI EN 3720 : 1995 Identical
BS EN 3720:1995 Identical

NFL 22-526 : A 2000 AIRCRAFT BOLTS AND NUTS - NUTS, BIHEXAGONAL, SELF-LOCKING, ISO MJ THREADS, IN CORROSION RESISTING STEEL, UNCOATED OR SILVER PLATED - CLASSIFICATION: 1100 MPA (AT AMBIENT TEMPERATURE)/650 DEGREES C OR MOS[2] LUBRICATED - CLASSIFICATION: 1100 MPA (AT AMBIENT TEMPERATURE)/450 DEGREES C

ISO 5855-2:1999 Aerospace MJ threads Part 2: Limit dimensions for bolts and nuts
EN 2491:2011 Aerospace series - Molybdenum disulphide dry lubricants - Coating methods
ISO 4095:1998 Aerospace — Bihexagonal drives — Wrenching configuration — Metric series
PREN 3752 : 200P1 AEROSPACE SERIES - NUTS, SELF-LOCKING, MJ THREADS, IN HEAT RESISTING STEEL, FE-PA92HT (A286), MOS[2] COATED - CLASSIFICATION: 1100 MPA (AT AMBIENT TEMPERATURE)/425 DEGREES C - TECHNICAL SPECIFICATION
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
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

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