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BS 3A125 TO 3A[...](1981) : 1981

Current
Current

The latest, up-to-date edition.

AEROSPACE SERIES - SPECIFICATION FOR STIFFNUTS (UNIFIED THREADS) FOR AIRCRAFT
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1981

Publisher

British Standards Institution

Foreword
Section 1. General requirements
1 Scope
2 Definitions
3 Design and dimensions
4 Material and manufacture
5 Freedom from defects
6 Protective coating
7 Screw threads
8 Squareness of face of thread
9 Identification and marking
Section 2. Inspection and testing
10 Qualification approval
11 Production batch acceptance
12 Inspection of samples
13 Testing of samples
14 Test bolts
15 Torque test
16 Bolt tolerance test
17 Endurance test
18 Torsional strength test (anchor nuts and stripnuts)
19 Thrust test (anchor nuts)
20 High temperature test
21 Low temperature test
22 Pressure test for cap nuts
Appendix A - Equipment for testing stiffnuts

Provide the dimensions, material, finish, testing and identification of aircraft stiffnuts with Unified threads.

Committee
ACE/12
DevelopmentNote
Supersedes 79/78721 DC (07/2005) 1981 Edition Re-Issued in May 2013 & incorporates AMD 1 2013. (05/2013)
DocumentType
Standard
Pages
40
PublisherName
British Standards Institution
Status
Current

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