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 5920-00-922-1094
NSN 6320-01-139-0533
NSN 6135-00-471-5356
NSN 6240-01-386-9192
NSN 5905-01-234-8290
NSN 5895-01-396-8099
NSN 6130-01-361-5171
NSN 6145-00-167-7505
NSN 5835-01-368-4015
NSN 5915-01-538-5047
NSN 5920-01-320-9357
NSN 5835-00-126-2961