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 6685-01-381-5143
NSN 6320-01-316-0615
NSN 6130-01-537-0867
NSN 5855-01-658-4510
NSN 7035-00-286-6221
NSN 5920-01-421-5362
NSN 5975-01-381-0513
NSN 5990-00-074-3056
NSN 5920-01-551-1295
NSN 5985-01-535-6682
NSN 6145-01-152-2417
NSN 6240-00-523-9861