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 5910-01-088-6848
NSN 5950-00-508-3325
NSN 6320-01-119-3935
NSN 6220-01-173-3177
NSN 6610-01-023-1816
NSN 5950-01-377-9897
NSN 6650-01-659-4609
NSN 6240-00-782-5991
NSN 5925-00-659-8304
NSN 6145-01-038-6605
NSN 4140-00-101-7903
NSN 6135-00-461-3590