BS A31-54(1951) : 1951
Current
The latest, up-to-date edition.
SPECIFICATION FOR BRITISH ASSOCIATION (B.A.) LOW TENSILE SCREWS AND NUTS FOR AERONAUTICAL PURPOSES
Hardcopy , PDF
English
01-01-1951
1 Scope
2 Material and manufacture
2A Freedom from defects
3 Dimensions
4 Length of screws
5 Ends of screws
6 Screw threads
7 Length of thread on screws
8 Chamfering
8A Countersinking
9 Finish
10 Identification
Specifies dimensions, material, finish and part numbers for British Association (B.A.) cheese, round, countersunk, and raised-countersunk head screws and dimensions, material, finish and code letters for British Association (B.A.) hexagon ordinary (or full) and thin (or lock) nuts for aeronautical use.
| Committee |
ACE/12
|
| DevelopmentNote |
1951 Edition Re-Issued in September 2012 and incorporates AMD 6 2012. Supersedes 12/30254182 DC. (09/2012)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| BS 57:1951 | Specification. B.A. screws bolts and nuts |
| BS 2A 27:1962 | Specification for steel hexagonal nuts (B.A. and B.S.F threads) (ordinary, thin, slotted and castle) for aircraft |
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