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 5915-01-326-8490
NSN 6110-01-357-0745
NSN 6610-00-641-3015
NSN 5915-01-046-2632
NSN 5975-00-196-0698
NSN 6105-01-029-5753
NSN 4140-01-177-9363
NSN 5915-00-516-9987
NSN 5950-01-372-2030
NSN 6110-01-097-6805
NSN 5910-00-369-5170
NSN 6620-01-292-5072