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 6135-00-145-8884
NSN 5965-00-652-5661
NSN 5945-01-406-2330
NSN 6320-01-607-1491
NSN 5855-01-453-1549
NSN 5999-01-425-8749
NSN 5920-00-513-4546
NSN 6685-00-003-6291
NSN 6145-01-247-5434
NSN 6650-01-155-8182
NSN 6105-01-430-0309
NSN 5996-01-100-4361