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 6645-01-251-7887
NSN 6645-01-600-0772
NSN 4140-00-833-6239
NSN 6240-01-327-4120
NSN 6110-00-904-8925
NSN 5999-00-144-7698
NSN 6220-01-139-0126
NSN 6220-00-149-0977
NSN 6240-00-423-9575
NSN 5945-00-320-9729
NSN 6150-00-400-8041
NSN 5990-01-046-3450