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 5990-01-449-7090
NSN 6135-00-248-4092
NSN 6685-01-183-4181
NSN 5960-01-346-3377
NSN 6610-01-254-4196
NSN 5999-01-607-8461
NSN 5920-01-081-9961
NSN 6240-01-288-5163
NSN 6610-01-252-1096
NSN 5960-01-224-8022
NSN 6685-01-415-0972
NSN 5920-00-933-4052