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 5996-01-183-9053
NSN 5950-01-416-6087
NSN 6620-01-603-0852
NSN 5998-00-056-0281
NSN 5835-01-355-3654
NSN 6145-01-623-3763
NSN 2925-01-424-0235
NSN 5925-01-594-1873
NSN 6645-00-200-2324
NSN 5905-00-250-6076
NSN 5930-00-741-4388
NSN 6220-01-211-7025