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 4140-01-610-2974
NSN 6150-01-646-0351
NSN 5935-01-137-0008
NSN 5895-00-553-8345
NSN 5999-01-547-1895
NSN 6645-00-148-1798
NSN 5935-00-241-5639
NSN 5855-00-908-9314
NSN 5930-00-419-7469
NSN 6610-00-518-4919
NSN 5985-01-650-2526
NSN 5905-00-276-8597