1 Scope
These British Standards specify the materials, dimensions and protective finish of
carbon steel and corrosion-resisting steel straight, right angle and left angle tab
washers for Unified hexagons for aircraft.
A recommended method of application when washers are fitted into drilled holes is
shown in the Appendix.
NOTE For tab washers for use with B.A. and B.S.W. hexagons see BS SP 41-46 “ Tab washers
for use with B.A. and B.S.W. hexagons for aircraft”.