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 6240-00-286-0742
NSN 4140-01-268-2429
NSN 5855-00-436-3852
NSN 6645-00-204-4100
NSN 6610-01-525-6616
NSN 6650-01-064-3557
NSN 5999-00-041-1401
NSN 5910-00-025-7326
NSN 6110-00-021-0925
NSN 6320-00-036-3688
NSN 6685-00-116-8073
NSN 5935-00-446-3159