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 5935-01-268-2780
NSN 5945-00-353-7491
NSN 5996-00-330-9184
NSN 5905-00-666-4983
NSN 5920-01-542-3150
NSN 6220-01-650-3736
NSN 7035-01-364-0286
NSN 5998-00-101-0684
NSN 5935-01-182-5824
NSN 5905-00-233-4651
NSN 5985-00-294-4961
NSN 5855-00-933-9978