BS A 31-54:1951
Specification for British Association (B.A.) low tensile screws and nuts for aeronautical purposes

Standard No.

BS A 31-54:1951

Release Date

1951

Published By

British Standards Institution (BSI)

Status

Withdraw

Replace By

BS A 31-54:1951+A6:2012

Latest

BS A 31-54:1951+A6:2012

Scope

These British Standards cover 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.

BS A 31-54:1951 history

• 1951 BS A 31-54:1951+A6:2012 Specification for British Association (B.A.) low tensile screws and nuts for aeronautical purposes
• 1951 BS A 31-54:1951 Specification for British Association (B.A.) low tensile screws and nuts for aeronautical purposes