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 5855-01-394-7125
NSN 6130-01-384-3756
NSN 5895-00-103-1321
NSN 5905-00-857-0901
NSN 5950-00-721-5642
NSN 7035-01-038-9970
NSN 5985-01-398-0786
NSN 6130-01-657-5999
NSN 6610-01-010-4516
NSN 5945-00-717-3667
NSN 5915-01-469-1203
NSN 6220-01-426-6922