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 6110-01-602-7758
NSN 6105-01-411-5970
NSN 6240-00-684-8181
NSN 5835-01-116-2369
NSN 6620-00-905-6590
NSN 5855-00-762-4833
NSN 5950-01-050-5428
NSN 5998-00-003-1209
NSN 6220-01-394-5263
NSN 6135-01-215-1245
NSN 6130-01-287-7763
NSN 5998-01-408-5623