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 5945-00-189-4534
NSN 6150-00-807-7722
NSN 5920-01-025-2725
NSN 5996-01-014-6103
NSN 4140-01-168-8796
NSN 5996-01-248-5005
NSN 6650-00-432-2358
NSN 6135-00-917-1894
NSN 4140-01-206-1004
NSN 6645-00-089-8842
NSN 5935-00-655-1423
NSN 5985-00-170-5864