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 6610-01-552-3708
NSN 5855-00-089-3974
NSN 5975-01-411-6597
NSN 6145-01-573-9388
NSN 6620-00-189-0967
NSN 5905-01-294-9965
NSN 6650-01-573-4044
NSN 5920-00-608-9731
NSN 5999-01-322-7842
NSN 5910-00-901-3737
NSN 5905-00-173-0371
NSN 5996-01-225-3837