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 5910-00-560-4366
NSN 6240-00-612-0883
NSN 6130-01-190-5470
NSN 5990-01-400-3299
NSN 5990-01-510-4699
NSN 5855-01-459-9254
NSN 5920-00-539-7847
NSN 2925-01-655-4455
NSN 6135-00-613-1068
NSN 6220-00-494-7228
NSN 5930-00-737-2630
NSN 5990-01-453-3552