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 6645-01-298-8837
NSN 5935-01-391-4694
NSN 6145-01-142-5732
NSN 5975-00-794-9413
NSN 6240-00-011-5273
NSN 4140-00-939-8428
NSN 6240-01-197-6064
NSN 2925-01-072-7101
NSN 6150-01-193-6390
NSN 6645-00-433-3075
NSN 5920-01-144-3841
NSN 6150-01-389-1304