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 6685-01-451-1386
NSN 6650-00-320-8683
NSN 6145-01-448-5192
NSN 5920-01-565-9420
NSN 5925-01-131-2137
NSN 6240-01-124-1829
NSN 4140-01-612-9936
NSN 6620-01-481-1358
NSN 5975-00-122-6048
NSN 6240-00-560-5426
NSN 6645-01-056-3417
NSN 5990-01-334-8634