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 6620-01-610-5081
NSN 6130-01-328-7536
NSN 5998-01-370-3464
NSN 6650-01-105-5608
NSN 5960-00-471-2026
NSN 6610-01-473-5678
NSN 6145-01-287-9251
NSN 4140-00-555-3856
NSN 5915-01-173-9026
NSN 6650-01-375-4769
NSN 5925-01-429-0351
NSN 6110-01-106-5111