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 5855-01-428-9456
NSN 5895-01-106-4161
NSN 6150-00-070-3571
NSN 5945-01-525-7779
NSN 6650-01-619-9986
NSN 4140-01-579-3566
NSN 6240-01-292-3729
NSN 5998-01-500-4473
NSN 6240-01-573-6388
NSN 2925-00-899-4261
NSN 5996-01-521-2211
NSN 5998-00-276-8599