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 6150-00-231-0637
NSN 6650-01-099-8618
NSN 6105-01-434-8770
NSN 6135-00-087-0333
NSN 5920-00-782-6903
NSN 6110-00-372-4780
NSN 6610-01-608-2899
NSN 7035-00-631-3782
NSN 5999-00-888-9599
NSN 7035-01-584-1350
NSN 6320-01-629-1277
NSN 5905-01-108-4607