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 7035-00-756-4374
NSN 6620-01-309-1287
NSN 5999-01-651-2851
NSN 6130-00-403-3585
NSN 5920-01-449-1690
NSN 6645-01-426-0206
NSN 6650-01-502-4613
NSN 5855-01-027-1571
NSN 5996-01-064-4868
NSN 5855-00-301-1176
NSN 5915-01-265-1903
NSN 5855-00-455-6070