A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5975-01-560-0509
NSN 6150-01-547-5722
NSN 5960-01-152-7740
NSN 5975-01-430-2459
NSN 5945-00-904-3027
NSN 6320-01-496-4605
NSN 2925-01-357-2512
NSN 2925-00-833-9466
NSN 5965-00-913-9545
NSN 6130-00-068-8190
NSN 5975-00-830-6875
NSN 7035-00-631-3782