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 4140-01-195-3508
NSN 4140-01-448-6816
NSN 6620-00-466-2314
NSN 5915-01-197-6218
NSN 5985-01-412-6514
NSN 6620-01-533-4404
NSN 6150-01-545-2045
NSN 5925-01-225-1322
NSN 5965-00-524-5521
NSN 5960-01-247-4560
NSN 5930-01-207-1012
NSN 5950-01-423-8208