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 5915-01-477-0148
NSN 6620-00-736-8457
NSN 5950-00-451-4975
NSN 5996-00-213-7121
NSN 5975-01-622-1260
NSN 5975-01-095-5122
NSN 5990-00-275-7819
NSN 5920-01-105-8996
NSN 5950-01-396-4972
NSN 6620-01-474-4951
NSN 6685-01-246-8893
NSN 5895-01-430-9382