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 5910-01-551-8720
NSN 6650-01-270-6669
NSN 5975-01-292-3875
NSN 6145-00-232-0813
NSN 5996-01-502-6330
NSN 6135-00-134-6648
NSN 4140-01-461-1649
NSN 4140-00-361-4691
NSN 5945-01-482-1602
NSN 6610-00-186-9180
NSN 5950-01-442-7195
NSN 5910-01-046-7002