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 5999-01-237-0592
NSN 5855-01-425-1330
NSN 5905-01-497-5313
NSN 6150-01-324-0331
NSN 6610-01-470-0165
NSN 6220-01-492-5018
NSN 7035-01-141-8076
NSN 5910-01-551-8720
NSN 5935-01-609-3931
NSN 5950-01-392-1397
NSN 6150-01-592-3442
NSN 6105-00-156-9084