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 5999-01-197-9737
NSN 6130-01-363-5539
NSN 6145-01-298-3151
NSN 5925-01-242-9291
NSN 5905-01-207-1224
NSN 5990-01-617-5156
NSN 6610-00-594-6372
NSN 5945-01-474-6463
NSN 5930-01-556-0321
NSN 4140-01-458-2743
NSN 5975-00-189-0093
NSN 7035-01-107-2811