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 5920-01-423-7199
NSN 5998-00-401-1789
NSN 5990-01-024-9659
NSN 5835-01-216-7289
NSN 5935-01-119-7472
NSN 5985-01-341-6564
NSN 6130-01-412-7781
NSN 5935-01-114-6635
NSN 4140-00-264-5796
NSN 5905-01-017-6501
NSN 6645-01-008-2720
NSN 5925-01-418-4455