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 5915-00-409-5066
NSN 5975-01-311-6883
NSN 5996-00-762-9920
NSN 5975-01-379-2417
NSN 5985-00-683-2188
NSN 6110-01-033-3047
NSN 6220-01-659-8080
NSN 6610-00-010-9714
NSN 5915-00-090-7595
NSN 6240-00-353-5753
NSN 4140-01-317-6441
NSN 6240-00-988-3839