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 6220-00-913-4465
NSN 6650-00-318-6033
NSN 6135-01-551-0562
NSN 6220-00-912-4090
NSN 6135-00-753-2276
NSN 5905-01-015-5656
NSN 6685-01-364-2316
NSN 6150-01-302-4425
NSN 5925-01-634-0664
NSN 5965-00-267-4173
NSN 6620-01-499-7024
NSN 7035-00-349-8571