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 6145-01-428-4071
NSN 6650-01-415-5573
NSN 5920-01-423-7433
NSN 5960-01-454-7064
NSN 5985-01-313-1548
NSN 6645-01-542-6159
NSN 6320-01-246-4390
NSN 5895-00-935-6168
NSN 5905-00-072-6930
NSN 4140-01-538-6011
NSN 4140-01-273-4891
NSN 5920-01-102-7354