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 5925-00-059-4991
NSN 5905-01-451-4012
NSN 5945-00-652-8888
NSN 5905-01-261-9516
NSN 5965-01-378-7335
NSN 5905-01-548-6107
NSN 5960-00-245-2645
NSN 5950-00-883-0377
NSN 5996-00-263-0593
NSN 5915-01-466-4928
NSN 5999-00-004-6442
NSN 6220-00-114-4953