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 6240-00-266-6258
NSN 5996-01-448-6814
NSN 5915-01-386-4243
NSN 6650-00-078-5773
NSN 5910-01-070-3549
NSN 5920-01-519-0756
NSN 5999-01-174-0799
NSN 6150-00-143-5396
NSN 6685-00-079-0313
NSN 5915-01-408-3435
NSN 7035-00-553-6951
NSN 6650-00-295-3609