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 6150-01-464-4008
NSN 6135-01-415-1163
NSN 7035-01-354-9382
NSN 5920-00-359-9771
NSN 5855-01-630-8608
NSN 5965-00-839-0302
NSN 6320-01-283-9370
NSN 4140-01-421-3698
NSN 6135-01-106-7740
NSN 6105-01-337-8143
NSN 5915-01-421-6253
NSN 6645-01-185-7684