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 5945-01-627-5503
NSN 6240-01-406-2317
NSN 5950-00-828-9677
NSN 5935-01-212-5788
NSN 5925-01-303-0932
NSN 7035-00-803-3056
NSN 5945-01-497-5516
NSN 5905-01-461-2971
NSN 6650-00-688-8587
NSN 6650-00-398-1821
NSN 5920-00-071-9241
NSN 5855-01-523-8363