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 4140-01-560-3234
NSN 6610-01-416-2738
NSN 5915-00-900-3369
NSN 6320-01-328-6575
NSN 6620-00-253-6329
NSN 5999-00-964-8968
NSN 6105-01-106-4157
NSN 5975-01-481-0870
NSN 5895-01-591-7081
NSN 5975-01-030-4841
NSN 6620-00-124-9515
NSN 5999-00-679-2324