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 6150-01-630-5639
NSN 5925-01-607-8919
NSN 6610-01-013-8922
NSN 5920-00-281-0246
NSN 5965-01-605-0090
NSN 5930-00-114-0665
NSN 5975-01-368-4718
NSN 5930-00-771-8119
NSN 6220-00-415-5405
NSN 5965-01-118-0017
NSN 5855-01-282-4881
NSN 5905-01-120-6965