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 5925-00-468-2757
NSN 6130-01-145-4924
NSN 6650-01-354-5917
NSN 6145-01-401-3713
NSN 5905-01-015-3309
NSN 6240-01-449-1387
NSN 6610-01-444-4001
NSN 6130-01-238-8260
NSN 5915-01-253-3273
NSN 6620-00-020-3233
NSN 5998-01-365-2688
NSN 5920-01-418-1821