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 4140-00-087-4611
NSN 6150-01-498-1737
NSN 6130-01-030-9081
NSN 6610-01-393-9997
NSN 5999-01-658-6731
NSN 5855-00-610-4052
NSN 5935-00-021-9137
NSN 5950-01-186-8309
NSN 5925-00-494-9565
NSN 5935-01-302-9802
NSN 6130-00-344-7334
NSN 5835-00-090-3924