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 6645-00-624-5963
NSN 6145-00-255-0579
NSN 6650-01-051-4972
NSN 7035-01-045-7202
NSN 6145-01-481-1094
NSN 5935-01-027-1866
NSN 5998-01-427-1087
NSN 6685-00-407-1028
NSN 5920-01-146-4503
NSN 5950-01-540-8749
NSN 5930-00-274-5163
NSN 4140-01-051-7583