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 6135-01-633-8502
NSN 5855-00-361-0167
NSN 6220-00-456-2911
NSN 5835-01-515-6537
NSN 5920-00-140-8912
NSN 6240-00-398-0740
NSN 7035-01-323-0164
NSN 6320-00-937-5625
NSN 5965-01-418-1760
NSN 6145-01-067-1881
NSN 5999-00-714-0975
NSN 5905-00-170-5549