A cylindrical-shaped nut, internally and externally threaded, with a flanged cone or ball seat and a square wrenching head. The internal threads are used to secure the inner wheel and the external threads receive the outer wheel securing nut.
Classification: Nuts of iron or steel
NSN 6150-00-493-1840
NSN 6620-00-105-3312
NSN 6240-01-473-0864
NSN 6220-00-660-5539
NSN 5905-00-227-0117
NSN 5930-01-595-4555
NSN 6645-01-331-5674
NSN 5925-01-218-8302
NSN 5915-01-486-2527
NSN 5930-01-253-7557
NSN 5985-01-550-4732
NSN 6110-01-117-2985