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 6645-01-144-2161
NSN 5895-01-094-5689
NSN 5960-01-412-0619
NSN 6135-00-110-1981
NSN 6105-01-226-1139
NSN 5950-00-761-5239
NSN 6220-01-618-0948
NSN 6645-00-466-0685
NSN 5920-01-228-1672
NSN 5920-00-518-4452
NSN 6650-01-381-2972
NSN 5990-00-606-1475