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 5985-01-396-9091
NSN 5996-01-560-5052
NSN 5950-01-519-8947
NSN 6650-00-295-3609
NSN 6620-01-601-4314
NSN 6610-01-226-6593
NSN 6110-01-223-2706
NSN 5965-01-627-4318
NSN 6220-00-708-8861
NSN 6320-01-046-5228
NSN 6320-00-110-8005
NSN 5920-00-455-9133