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 6645-01-254-0490
NSN 5990-00-153-0055
NSN 5930-00-584-8660
NSN 5920-00-817-2831
NSN 6610-01-523-3918
NSN 6620-00-168-0308
NSN 5999-00-553-9831
NSN 5950-01-587-4081
NSN 6150-00-613-3076
NSN 5920-01-584-8168
NSN 6620-00-424-4335
NSN 5990-01-240-1100