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 6135-01-268-7056
NSN 4140-01-142-3192
NSN 5855-01-630-2164
NSN 5915-00-823-8334
NSN 5920-00-241-3838
NSN 5915-01-283-4430
NSN 6620-00-950-5979
NSN 5999-00-081-9413
NSN 6650-01-512-9650
NSN 5975-01-199-7203
NSN 5996-01-474-6834
NSN 6130-00-266-7496