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 5990-01-215-0590
NSN 6645-01-400-2119
NSN 5905-01-385-9101
NSN 5925-01-494-1050
NSN 5998-01-557-5375
NSN 5905-00-921-7847
NSN 5855-01-252-5424
NSN 6130-00-999-4448
NSN 5990-00-165-9195
NSN 5985-01-064-8180
NSN 6145-01-377-8470
NSN 5835-01-576-9013