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 4140-00-555-3856
NSN 5910-01-161-7545
NSN 5925-01-317-9403
NSN 5920-01-165-8480
NSN 5990-01-272-4091
NSN 5960-00-815-9820
NSN 5999-01-576-7388
NSN 7035-01-423-8343
NSN 6110-01-393-9187
NSN 5965-00-242-3615
NSN 5835-01-447-2544
NSN 5945-00-170-5885