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 5950-01-035-2257
NSN 7035-01-412-3692
NSN 6135-00-166-5984
NSN 5895-01-210-3418
NSN 5990-00-296-4825
NSN 6145-00-528-6467
NSN 6135-01-349-6285
NSN 5950-00-891-7642
NSN 6320-01-501-7935
NSN 5930-01-407-4953
NSN 5905-01-025-1186
NSN 5996-00-148-8474