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 6610-01-627-0642
NSN 6130-01-400-6123
NSN 5905-00-795-5569
NSN 6135-01-150-6916
NSN 5950-01-028-6167
NSN 6650-01-132-0737
NSN 6135-00-027-3914
NSN 6620-01-457-9100
NSN 5998-00-764-2940
NSN 6685-01-426-7958
NSN 5835-01-142-9233
NSN 5990-00-474-5609