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 6110-01-422-7491
NSN 6610-00-253-7676
NSN 6650-01-393-4152
NSN 5935-01-531-2413
NSN 5975-01-588-3454
NSN 5960-01-439-9517
NSN 5925-01-621-7167
NSN 6150-01-511-6495
NSN 6610-01-526-2054
NSN 6220-01-194-7274
NSN 5925-00-299-2728
NSN 6320-00-646-3311