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 2925-00-596-9775
NSN 5998-01-634-0604
NSN 7035-00-117-0418
NSN 6620-01-129-5832
NSN 6645-01-534-3148
NSN 5999-00-351-6755
NSN 5835-00-083-6557
NSN 6145-01-602-5190
NSN 6220-01-562-2143
NSN 6220-01-103-1104
NSN 5915-01-505-1685
NSN 6220-00-988-5311