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 6240-01-291-7500
NSN 6240-01-097-2831
NSN 6240-01-005-8872
NSN 6650-01-197-4585
NSN 5985-00-954-5469
NSN 5910-00-425-4432
NSN 5930-01-265-0877
NSN 6620-01-563-8841
NSN 5915-00-494-8944
NSN 5990-01-443-2931
NSN 5999-01-500-9042
NSN 5996-01-278-5201