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 5920-00-589-2710
NSN 6130-00-908-5014
NSN 6150-00-419-4115
NSN 5855-00-688-9954
NSN 7035-01-545-1932
NSN 6130-01-388-2766
NSN 6150-01-043-4246
NSN 4140-00-715-7747
NSN 5935-01-573-7336
NSN 5935-01-429-0124
NSN 5990-01-103-3572
NSN 6135-00-043-4312