BS SP 18 and 19:1949
$86.31
Specification for washers for aircraft purposes (primarily for use with timber)
Published By | Publication Date | Number of Pages |
BSI | 1949 | 6 |
These British Standards apply to the materials, dimensions and finish of washers generally used with timber in aircraft. The washers are primarily for use with B.A. and B.S.F. bolts.