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BS A 31-54:1951+A6:2012

$102.76

Specification for British Association (B.A.) low tensile screws and nuts for aeronautical purposes

Published By Publication Date Number of Pages
BSI 2012 16
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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+A6:2012
$102.76