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 5925-01-578-0404
NSN 5920-01-441-1935
NSN 5996-01-019-3960
NSN 6130-00-828-6582
NSN 5905-00-996-0659
NSN 5998-00-104-7501
NSN 6220-00-012-0027
NSN 6610-01-475-1921
NSN 6320-00-977-3930
NSN 6685-01-313-0438
NSN 6145-01-581-2744
NSN 5975-00-403-5959