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 2925-01-065-0060
NSN 5910-00-866-3210
NSN 5945-00-900-7581
NSN 6135-01-379-6928
NSN 6620-00-269-5168
NSN 5915-01-551-6552
NSN 5910-01-041-4294
NSN 6685-01-270-1526
NSN 6150-01-268-8534
NSN 7035-01-580-0610
NSN 6650-01-249-3201
NSN 5835-01-180-9441