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 6220-01-235-7091
NSN 5950-01-447-2839
NSN 5950-01-073-6759
NSN 6320-01-519-8767
NSN 5975-01-275-6910
NSN 5925-01-127-6001
NSN 6650-01-119-3058
NSN 5910-01-395-7627
NSN 6145-01-113-8205
NSN 5910-01-041-7268
NSN 6135-00-602-1561
NSN 5895-01-054-4104