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 6620-01-550-8573
NSN 6135-01-394-4160
NSN 6620-01-030-9460
NSN 6320-01-643-0850
NSN 6320-01-549-7201
NSN 5990-00-254-4825
NSN 5975-00-203-8416
NSN 6685-01-361-7594
NSN 6685-01-252-6441
NSN 5920-01-549-5277
NSN 6130-00-452-1486
NSN 5990-01-395-4194