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 6240-00-410-8710
NSN 6135-01-319-5567
NSN 6620-00-861-3828
NSN 6610-01-537-1685
NSN 5960-01-612-5408
NSN 6220-01-531-1402
NSN 5990-00-752-2126
NSN 6150-00-118-8730
NSN 5915-01-260-5927
NSN 5930-01-066-0651
NSN 5925-00-906-1963
NSN 6645-01-049-0972