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 5915-01-606-2363
NSN 5999-01-206-4657
NSN 5925-01-457-5668
NSN 6150-00-911-7131
NSN 5905-01-211-2754
NSN 6240-01-190-9523
NSN 6610-01-352-6344
NSN 6150-01-578-7512
NSN 6145-00-278-0697
NSN 5996-01-232-0067
NSN 5855-01-623-4517
NSN 6650-00-555-1061