This British Standard specifies the material, dimensions, finish and part numbers of B.A. screws with captive washers for use on aircraft.
NOTE A table is given in the Appendix to provide a ready means of calculating the approximate millimetre equivalents of the inch dimensions. More accurate conversions should be based on the tables in B.S.350.
BS G 154:1958 history
0000 BS G 154:1958(2000)
1967BS G 203:1967 Specification for Unified screws with captive facing and locking washers
1958BS G 154:1958 Screws with captive washers for aircraft