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 4140-00-269-3189
NSN 5910-00-341-6114
NSN 5985-01-406-1474
NSN 6620-01-314-3635
NSN 5905-01-560-6547
NSN 6130-00-166-7934
NSN 5920-00-258-2467
NSN 5945-00-934-0045
NSN 4140-00-511-6652
NSN 6645-01-463-3024
NSN 6650-01-207-2905
NSN 5920-00-927-5568