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 5910-01-206-6051
NSN 5950-01-463-3606
NSN 5920-01-306-7442
NSN 2925-00-980-5749
NSN 6320-01-643-0850
NSN 5930-01-020-8942
NSN 5920-00-507-5105
NSN 6650-01-215-4487
NSN 5960-01-449-1310
NSN 6145-01-328-0798
NSN 6110-01-084-7874
NSN 6645-00-566-5537