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 5965-00-469-5009
NSN 5920-01-066-1799
NSN 6650-00-914-6897
NSN 5975-01-074-3445
NSN 6110-01-643-6658
NSN 5990-01-425-2175
NSN 6650-00-941-2585
NSN 6135-01-397-2170
NSN 6135-00-334-4500
NSN 7035-00-205-8739
NSN 6110-01-396-2661
NSN 5975-01-424-5830