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 5999-01-398-0659
NSN 6130-00-778-4442
NSN 5855-01-481-0819
NSN 7035-01-426-4133
NSN 6685-00-296-0392
NSN 5925-01-492-4782
NSN 6610-00-167-3836
NSN 5835-00-835-2438
NSN 6610-00-314-2605
NSN 6135-00-299-6918
NSN 5905-01-429-2854
NSN 6220-01-583-7731