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 5905-01-536-0198
NSN 5999-01-381-5510
NSN 5950-00-876-4581
NSN 5915-00-728-6229
NSN 2925-01-578-7731
NSN 6610-00-137-5890
NSN 6650-00-299-9681
NSN 5965-00-226-0209
NSN 5985-01-647-8576
NSN 6110-01-421-4449
NSN 5910-00-275-8283
NSN 6685-01-444-0582