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 5935-01-518-6050
NSN 4140-00-852-0627
NSN 5996-00-686-5842
NSN 6130-00-969-2730
NSN 6135-01-479-9783
NSN 6220-01-103-1104
NSN 5835-01-009-2417
NSN 5999-01-197-5380
NSN 6105-00-925-0239
NSN 5990-00-254-4825
NSN 5960-01-392-6982
NSN 6620-01-531-2341