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 5935-00-312-2576
NSN 6130-01-384-6094
NSN 6150-01-409-2858
NSN 5905-00-889-2166
NSN 6610-01-324-7017
NSN 5855-01-147-6024
NSN 6685-00-269-6444
NSN 5985-01-145-4673
NSN 5855-01-394-3688
NSN 6685-01-601-5770
NSN 5915-00-053-8880
NSN 6645-00-337-8276