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 6220-00-447-9656
NSN 6150-00-237-6043
NSN 6135-01-422-1440
NSN 6240-01-368-3280
NSN 6220-01-003-9126
NSN 6620-00-606-0446
NSN 5965-00-119-3550
NSN 5895-01-391-5682
NSN 7035-01-487-5036
NSN 6220-01-272-0064
NSN 6645-01-645-4291
NSN 5935-00-588-0857