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 6610-01-186-8798
NSN 5935-00-957-0411
NSN 5915-00-522-1927
NSN 6220-00-827-0227
NSN 5965-01-132-1427
NSN 5975-00-110-8148
NSN 5960-01-391-1308
NSN 6650-00-336-0753
NSN 2925-00-075-2714
NSN 5996-01-570-0437
NSN 6650-01-426-4253
NSN 5835-01-424-0054