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 5996-00-165-3097
NSN 2925-00-300-4103
NSN 6135-01-104-3790
NSN 5985-01-351-7401
NSN 6645-01-495-0939
NSN 6610-01-531-6980
NSN 6240-01-274-0395
NSN 6145-01-128-5235
NSN 4140-01-219-3096
NSN 5855-00-361-0167
NSN 5920-00-838-4683
NSN 5925-01-422-0431