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 6240-01-069-2688
NSN 6130-01-441-7903
NSN 6220-01-022-4432
NSN 5930-01-529-0685
NSN 5965-01-351-6977
NSN 6105-01-515-5578
NSN 6145-00-222-1296
NSN 5960-01-512-0233
NSN 6130-01-645-0003
NSN 6145-00-317-2087
NSN 6220-01-583-3278
NSN 7035-01-136-7404