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 6110-00-157-1699
NSN 6220-01-444-3972
NSN 6135-01-479-9790
NSN 6685-01-191-7744
NSN 5935-00-637-2643
NSN 5945-01-530-0346
NSN 5945-01-555-8373
NSN 4140-01-211-3959
NSN 4140-01-320-2880
NSN 5930-01-015-0634
NSN 5996-01-411-6195
NSN 6240-01-641-9347