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 5920-01-634-0250
NSN 4140-00-133-4162
NSN 7035-01-160-0486
NSN 4140-01-337-4625
NSN 5930-01-354-5503
NSN 6220-01-634-0660
NSN 5975-01-110-7686
NSN 4140-00-200-9082
NSN 5895-01-175-9859
NSN 5996-01-642-3520
NSN 6105-01-132-9995
NSN 5999-00-537-7677