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 6685-00-551-6139
NSN 6145-00-112-0459
NSN 5905-01-426-8975
NSN 6135-00-027-3914
NSN 6620-00-546-6071
NSN 7035-01-088-6415
NSN 5920-01-605-6946
NSN 5910-01-509-9023
NSN 6320-01-459-6992
NSN 6610-00-575-7933
NSN 4140-01-132-0093
NSN 5920-01-154-7363