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 5905-01-333-0949
NSN 5895-00-098-7634
NSN 6320-01-270-1419
NSN 6135-01-163-0332
NSN 5960-01-398-4883
NSN 6110-01-572-9944
NSN 6320-01-415-0953
NSN 6320-00-908-6841
NSN 5990-01-546-1649
NSN 5985-01-587-1814
NSN 5920-01-387-7779
NSN 5950-01-525-3922