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 6220-01-294-0764
NSN 6650-00-056-1581
NSN 6645-01-305-9135
NSN 5855-01-380-9950
NSN 5925-01-062-7973
NSN 6130-01-281-7268
NSN 5925-01-400-0821
NSN 6645-01-310-7348
NSN 5950-01-222-0499
NSN 6105-00-516-2151
NSN 5915-00-035-8590
NSN 5925-01-312-8746