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 5905-00-247-5756
NSN 6620-01-622-4980
NSN 6610-01-043-6229
NSN 5935-01-625-7595
NSN 5950-01-400-5942
NSN 6135-00-789-2865
NSN 5935-01-152-0131
NSN 2925-01-035-1096
NSN 5960-01-160-3437
NSN 6130-00-277-7321
NSN 2925-00-790-6949
NSN 6645-01-605-1485