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 5895-01-565-5729
NSN 6610-01-555-6654
NSN 6320-01-177-3192
NSN 5930-00-222-4721
NSN 5915-01-421-1354
NSN 5910-00-408-4018
NSN 6320-01-388-1067
NSN 6620-01-026-0346
NSN 5915-01-235-6318
NSN 5920-00-519-7664
NSN 6135-01-168-2944
NSN 6135-00-686-4777