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 5915-01-525-7731
NSN 6610-01-400-3880
NSN 6105-01-182-0436
NSN 5965-01-081-9543
NSN 5965-01-278-8218
NSN 6685-01-203-2160
NSN 6130-01-562-9314
NSN 5965-01-003-2641
NSN 6650-01-081-8801
NSN 5996-00-277-7384
NSN 6135-00-913-2062
NSN 6105-00-500-4964