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 5915-01-530-5526
NSN 6105-01-605-0139
NSN 6685-01-515-3179
NSN 6240-00-557-0455
NSN 6320-01-422-1212
NSN 6620-01-493-3395
NSN 5945-01-411-9732
NSN 5996-00-583-9498
NSN 6220-01-182-3380
NSN 4140-01-388-0340
NSN 5915-01-461-8673
NSN 5950-01-256-4068