A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
NSN 5920-00-554-0437
NSN 5965-00-920-0455
NSN 6150-01-602-2797
NSN 5998-01-248-5716
NSN 5996-00-932-2187
NSN 4140-01-446-7249
NSN 5930-01-578-8917
NSN 5975-01-111-9988
NSN 6320-00-295-2854
NSN 5905-01-329-8984
NSN 6650-01-060-3628
NSN 5855-00-288-1408