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 6150-00-237-6043
NSN 5930-01-199-2747
NSN 6220-01-068-4066
NSN 6150-01-387-1084
NSN 5945-01-422-4195
NSN 6130-00-581-2006
NSN 5835-00-233-6327
NSN 6685-01-057-0768
NSN 6105-01-371-3045
NSN 6135-01-364-0667
NSN 6650-00-248-4895
NSN 5950-01-400-3577