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 6240-00-578-7422
NSN 6150-01-358-5030
NSN 6610-01-141-7014
NSN 6320-01-550-3420
NSN 5990-01-174-6851
NSN 5910-01-450-8218
NSN 5975-01-031-3216
NSN 5930-01-536-7121
NSN 5910-01-367-5370
NSN 5895-01-574-2068
NSN 4140-01-510-9380
NSN 6145-01-497-6262