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 5960-01-424-0590
NSN 6610-01-572-6358
NSN 5945-01-246-3394
NSN 5920-01-648-5188
NSN 5999-00-682-4354
NSN 5895-00-826-8652
NSN 6650-01-423-6313
NSN 6320-01-046-5228
NSN 5975-01-334-3671
NSN 6110-00-494-1749
NSN 6105-01-026-9114
NSN 6220-00-364-1605