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 6110-01-556-7927
NSN 5996-01-250-2814
NSN 6130-01-449-1178
NSN 5975-01-136-1198
NSN 6220-00-185-3131
NSN 6620-00-334-7249
NSN 6220-01-128-0087
NSN 6650-01-426-4253
NSN 6620-01-633-8443
NSN 6320-01-384-3850
NSN 6685-00-269-0438
NSN 6145-00-443-5488