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 6645-01-144-6415
NSN 6320-01-371-1603
NSN 5910-01-406-4317
NSN 5985-01-122-2558
NSN 5915-01-400-6125
NSN 5835-01-397-8801
NSN 5965-01-156-7013
NSN 6130-01-327-7357
NSN 5855-01-229-3864
NSN 5999-01-547-4392
NSN 6135-00-583-3966
NSN 6105-00-161-1834