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 5950-00-807-2759
NSN 6220-00-443-6522
NSN 6145-00-023-7010
NSN 6610-01-387-7517
NSN 7035-01-633-9537
NSN 5996-01-069-2915
NSN 5905-01-424-6417
NSN 5920-01-211-4365
NSN 5920-01-164-8260
NSN 6130-01-566-9049
NSN 4140-01-158-1401
NSN 6105-00-527-2193