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 5910-01-444-4585
NSN 6110-01-330-6884
NSN 4140-01-102-4131
NSN 5960-00-800-9215
NSN 5855-00-256-5562
NSN 5915-01-602-0302
NSN 5950-01-280-1821
NSN 6135-00-833-9909
NSN 6110-01-598-1820
NSN 7035-00-079-7189
NSN 6685-01-400-4190
NSN 5905-00-439-5808