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 5835-01-557-9062
NSN 6650-00-587-6917
NSN 6130-01-461-3530
NSN 6240-01-043-5308
NSN 5945-01-034-2196
NSN 6220-01-449-2807
NSN 5925-00-700-8674
NSN 5835-00-518-4507
NSN 6240-00-690-2274
NSN 6105-01-356-7805
NSN 5855-00-494-9581
NSN 6685-00-570-0095