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 6620-00-928-6053
NSN 5935-01-229-0346
NSN 6645-01-251-3986
NSN 6320-00-070-4544
NSN 6130-01-466-2803
NSN 7035-00-631-3782
NSN 6620-00-266-2763
NSN 5920-01-328-7911
NSN 4140-01-406-2993
NSN 5835-01-116-2369
NSN 5990-00-797-2592
NSN 5930-00-836-2090