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 5915-01-513-9122
NSN 6645-01-239-2348
NSN 6135-01-456-2924
NSN 5990-00-111-3614
NSN 5945-00-295-2191
NSN 5985-00-292-9206
NSN 6105-00-657-4903
NSN 2925-01-564-8043
NSN 4140-00-132-5191
NSN 6130-00-013-2131
NSN 6105-01-417-2174
NSN 5975-01-257-2082