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 7035-01-316-7860
NSN 6620-01-406-6840
NSN 6150-01-165-6525
NSN 6150-00-944-3545
NSN 6320-00-593-0379
NSN 5915-00-394-6523
NSN 6650-00-181-8376
NSN 5945-01-492-6697
NSN 5920-01-089-7903
NSN 5945-00-287-8022
NSN 6145-01-164-2380
NSN 5925-00-262-5651