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 5960-01-553-4557
NSN 6150-01-090-0720
NSN 6135-01-643-3114
NSN 6105-00-699-9186
NSN 6130-00-925-8083
NSN 6645-01-614-4838
NSN 5935-01-422-0783
NSN 5910-01-461-1264
NSN 5945-00-917-6760
NSN 5935-01-216-6772
NSN 6650-01-207-2508
NSN 5935-01-170-4158