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 5998-01-410-7788
NSN 5990-01-157-0441
NSN 5975-00-582-1460
NSN 6150-01-536-8377
NSN 7035-00-104-7613
NSN 5855-01-519-2933
NSN 5920-01-648-5188
NSN 5935-01-107-3729
NSN 6645-00-200-2324
NSN 5999-00-661-0954
NSN 5945-01-437-9007
NSN 6610-01-415-5877