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 5910-01-629-7101
NSN 5930-01-514-9053
NSN 5905-01-519-2075
NSN 5965-01-144-9699
NSN 5975-01-648-6244
NSN 4140-01-259-2951
NSN 5920-01-436-5138
NSN 6135-01-497-4516
NSN 6145-01-285-2104
NSN 2925-01-290-4562
NSN 6240-00-137-2498
NSN 6645-01-485-9241