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 5985-01-508-1953
NSN 2925-01-429-2235
NSN 6110-00-172-0200
NSN 5835-01-160-7282
NSN 6685-01-580-0669
NSN 6650-01-028-2820
NSN 7035-01-088-6415
NSN 6150-01-185-6471
NSN 6645-01-317-6071
NSN 4140-01-092-0808
NSN 5975-00-767-4995
NSN 6320-00-224-3538