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 4140-00-580-8508
NSN 5999-01-134-3038
NSN 5990-01-161-4625
NSN 5855-01-398-0090
NSN 5975-00-774-8328
NSN 6685-01-264-2418
NSN 5920-01-606-8083
NSN 6685-01-041-4407
NSN 5999-01-110-2628
NSN 6110-01-431-6906
NSN 5855-01-098-9038
NSN 5998-00-467-9770