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 5915-01-561-0970
NSN 6685-01-496-0537
NSN 5910-00-624-9799
NSN 5998-01-444-1893
NSN 5990-00-928-2261
NSN 5998-01-266-9913
NSN 6110-01-434-7461
NSN 6240-01-463-0026
NSN 6220-01-108-8285
NSN 6240-01-648-0114
NSN 5999-01-361-0833
NSN 6130-00-079-7048