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 5990-00-518-3195
NSN 6110-00-608-0854
NSN 5998-00-888-9887
NSN 2925-00-088-6790
NSN 6620-01-012-2852
NSN 5965-01-274-7933
NSN 6135-01-361-9297
NSN 5910-01-052-4460
NSN 5905-00-001-4331
NSN 6240-00-435-0433
NSN 6220-01-542-8738
NSN 6145-01-129-2836