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 6150-00-802-1454
NSN 5975-00-509-2879
NSN 5960-00-355-7307
NSN 5950-00-281-2389
NSN 2925-00-402-3282
NSN 6135-01-108-6057
NSN 5895-01-261-2302
NSN 5945-01-026-3947
NSN 5950-00-428-6313
NSN 5905-01-590-6995
NSN 5998-01-033-4197
NSN 5965-01-120-2938