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 5975-00-226-8429
NSN 5895-01-380-9949
NSN 5990-01-411-5930
NSN 6645-00-989-2972
NSN 5996-01-451-0356
NSN 6150-00-942-9239
NSN 6650-01-317-2101
NSN 5945-00-932-3799
NSN 4140-01-113-6415
NSN 5920-01-305-3613
NSN 7035-01-243-2730
NSN 4140-01-055-6355