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 6130-01-237-9837
NSN 5960-00-113-9963
NSN 5925-01-587-0674
NSN 5855-01-454-0704
NSN 6610-01-433-2219
NSN 5990-01-485-0260
NSN 5925-01-442-8589
NSN 6145-01-109-7616
NSN 5945-01-071-5231
NSN 6320-01-436-9228
NSN 5930-00-272-1427
NSN 5985-01-381-2563