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 5950-01-406-3882
NSN 5920-01-253-9816
NSN 6645-00-258-8547
NSN 6105-00-008-0214
NSN 6240-01-565-3840
NSN 5920-01-479-9605
NSN 2925-00-388-8932
NSN 4140-01-470-3577
NSN 5999-01-418-1538
NSN 5990-01-307-4489
NSN 6135-01-641-4356
NSN 6240-00-275-1950