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 5935-00-291-4910
NSN 5855-01-634-0259
NSN 5945-01-048-1469
NSN 5925-01-433-2535
NSN 6135-01-271-7151
NSN 5999-01-003-8461
NSN 6685-01-255-6981
NSN 6105-00-146-9946
NSN 6150-01-417-3401
NSN 5965-01-565-2262
NSN 6645-01-056-9296
NSN 6150-01-304-1966