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 5960-01-632-6576
NSN 5945-01-453-6830
NSN 6240-01-179-1189
NSN 6105-00-719-9943
NSN 5999-01-111-8781
NSN 5905-01-205-6067
NSN 5990-00-170-4239
NSN 6105-01-376-9012
NSN 6145-01-336-2713
NSN 5920-00-007-2054
NSN 6610-01-082-7332
NSN 5985-01-112-0180