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 6130-01-435-6140
NSN 6620-00-904-2139
NSN 5999-01-270-6881
NSN 6150-01-483-7912
NSN 4140-01-435-5412
NSN 5975-00-761-5602
NSN 6220-01-432-9617
NSN 6610-01-182-9828
NSN 5895-00-940-8646
NSN 6130-00-463-1531
NSN 5835-01-431-6877
NSN 5920-00-156-9230