Specifications for tab washers for B.A. and B.S.W. hexagons for aircraft1 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

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