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 6135-01-180-9611
NSN 6685-00-186-9190
NSN 5960-01-257-0225
NSN 6685-01-369-6549
NSN 7035-01-152-7331
NSN 6240-01-038-3761
NSN 5945-01-171-5513
NSN 5965-00-392-7632
NSN 2925-01-118-6125
NSN 6645-01-325-9849
NSN 5999-01-330-0406
NSN 6130-00-276-0658