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 5925-01-130-5343
NSN 6610-01-604-1744
NSN 6240-01-428-9410
NSN 6145-01-352-5925
NSN 4140-01-008-0559
NSN 5996-00-167-4736
NSN 5999-01-055-9502
NSN 5910-01-339-5022
NSN 5910-01-559-5606
NSN 5925-01-441-9569
NSN 5915-01-406-3847
NSN 6150-01-399-0375