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 6220-01-345-4865
NSN 5910-01-446-6623
NSN 5835-00-725-2087
NSN 5905-00-578-7862
NSN 5925-00-908-2843
NSN 5990-01-076-6858
NSN 5930-00-910-5638
NSN 6685-01-634-0611
NSN 6220-00-244-2040
NSN 4140-00-885-5958
NSN 5835-01-623-3328
NSN 5990-00-412-0019