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 5975-01-349-1897
NSN 5990-00-254-4825
NSN 6105-00-890-8149
NSN 4140-01-485-0439
NSN 6135-00-452-2266
NSN 5965-01-461-2850
NSN 6220-01-215-3575
NSN 6220-01-654-0007
NSN 5915-01-074-6382
NSN 6130-01-650-8132
NSN 5996-01-461-8897
NSN 6620-01-175-1408