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 6130-01-165-8498
NSN 5950-01-319-1699
NSN 6320-01-159-2211
NSN 5975-01-241-4535
NSN 7035-00-413-0992
NSN 6105-00-881-0650
NSN 6650-01-633-9147
NSN 5960-01-265-0354
NSN 6610-01-115-5791
NSN 6685-01-168-3793
NSN 6105-01-278-9220
NSN 6110-01-330-8053