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 7035-00-731-8729
NSN 5998-01-100-3333
NSN 6135-01-186-4010
NSN 6130-01-543-1806
NSN 5999-00-887-9966
NSN 5930-00-655-4453
NSN 5855-00-763-2155
NSN 5950-01-334-6737
NSN 5855-00-110-9341
NSN 4140-01-315-5219
NSN 6130-01-351-3951
NSN 6620-00-650-4452