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 6145-01-026-0030
NSN 6610-01-152-2821
NSN 6645-00-539-1705
NSN 5925-01-476-1765
NSN 5935-01-115-6272
NSN 5985-01-467-1792
NSN 6650-00-624-3686
NSN 5915-00-939-2026
NSN 7035-01-432-2424
NSN 6645-01-092-4733
NSN 6650-00-966-5205
NSN 6150-01-131-8437