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 6150-00-269-8447
NSN 7035-01-398-9581
NSN 5910-01-435-5388
NSN 5965-01-064-4403
NSN 4140-01-534-6960
NSN 5999-00-834-5520
NSN 2925-01-517-8544
NSN 6110-01-544-0214
NSN 5950-01-266-9487
NSN 2925-01-043-9786
NSN 5960-00-583-4902
NSN 5895-01-441-2371