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 6685-01-304-8054
NSN 4140-01-311-9755
NSN 5999-00-225-9489
NSN 4140-00-990-3311
NSN 5855-01-600-2997
NSN 5999-01-140-8099
NSN 5950-01-570-1816
NSN 5920-01-245-3219
NSN 2925-00-580-4931
NSN 4140-01-297-5148
NSN 2925-00-081-3547
NSN 5990-01-348-2497