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 6220-01-583-6724
NSN 6685-01-579-3636
NSN 5905-00-236-7560
NSN 5996-01-025-5683
NSN 6620-01-469-7828
NSN 6645-00-246-4934
NSN 5920-01-268-7258
NSN 6320-00-164-4087
NSN 5960-00-960-6805
NSN 4140-00-905-8331
NSN 4140-01-512-0744
NSN 5855-00-014-5008