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 B.A. and B.S.W. 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 Unified hexagons see BS SP 107-112 “Tab washers for use
with Unified hexagons for aircraft”.