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 6130-00-000-0123
NSN 5998-00-467-9858
NSN 6135-00-170-8819
NSN 5975-01-234-2947
NSN 5920-00-003-5845
NSN 5998-01-376-9451
NSN 5998-01-512-1180
NSN 5915-00-278-5561
NSN 5905-01-037-8750
NSN 6135-00-686-4777
NSN 5950-00-290-8090
NSN 5920-01-599-4432