A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5985-01-414-6720
NSN 5895-01-468-0054
NSN 5945-01-187-2285
NSN 6320-01-433-1210
NSN 5975-01-192-4856
NSN 6135-00-826-4798
NSN 6105-00-707-5962
NSN 5915-00-648-0073
NSN 6240-01-470-7706
NSN 5905-01-487-8868
NSN 5999-01-122-3111
NSN 6145-01-632-8591