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 5910-01-651-8436
NSN 6135-00-209-6918
NSN 6105-01-315-8558
NSN 6220-01-200-3410
NSN 6150-01-447-4564
NSN 5925-01-495-1071
NSN 5920-01-086-3258
NSN 5975-00-826-3293
NSN 6610-00-514-5356
NSN 4140-00-289-9263
NSN 7035-00-020-2227
NSN 5835-01-565-3411