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 5915-01-225-9949
NSN 6610-00-348-8556
NSN 6130-00-621-7997
NSN 5965-01-461-7195
NSN 5895-01-464-3223
NSN 5960-01-010-3083
NSN 6685-01-417-5019
NSN 5915-00-365-9951
NSN 6135-00-087-5300
NSN 6685-01-345-3401
NSN 6610-01-171-3010
NSN 2925-01-216-4757