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 6650-01-235-0981
NSN 6645-01-303-6792
NSN 6105-01-594-2251
NSN 5895-00-890-3526
NSN 5920-00-276-8657
NSN 6320-01-487-0336
NSN 6610-00-205-7352
NSN 6620-01-050-2866
NSN 5945-01-255-6333
NSN 5975-01-167-0735
NSN 6150-01-455-2217
NSN 6145-01-541-5056