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 6610-01-340-1761
NSN 5975-01-415-2357
NSN 7035-01-135-7783
NSN 6320-00-483-0451
NSN 4140-01-436-0891
NSN 5935-01-464-7797
NSN 5935-01-111-9225
NSN 5920-00-149-0013
NSN 5910-01-397-7172
NSN 5920-00-435-5999
NSN 5945-01-648-4778
NSN 6650-00-878-8909