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 6220-01-393-0767
NSN 5855-00-925-0114
NSN 6110-01-400-4207
NSN 5905-01-105-8839
NSN 6685-00-244-4974
NSN 5990-00-956-9130
NSN 5915-00-752-4458
NSN 6610-00-859-6136
NSN 5855-01-431-5581
NSN 5950-01-051-9447
NSN 5999-01-212-4468
NSN 5895-00-359-3834