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 5990-00-136-8030
NSN 5920-00-054-3381
NSN 7035-01-652-2814
NSN 5975-01-502-0550
NSN 6320-01-380-0561
NSN 4140-00-529-0844
NSN 5990-01-417-4402
NSN 6130-01-208-6481
NSN 5930-01-173-1784
NSN 6110-00-078-8565
NSN 7035-01-381-6185
NSN 5920-01-413-8513