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 5925-01-134-0763
NSN 4140-01-479-8654
NSN 6130-00-410-0910
NSN 5895-01-519-7152
NSN 5920-00-209-0443
NSN 5999-00-884-6434
NSN 5950-00-405-4500
NSN 6240-00-816-6749
NSN 6620-01-605-1465
NSN 5920-00-653-0019
NSN 5910-00-436-0802
NSN 4140-00-305-1023