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 5895-01-277-7860
NSN 6650-00-891-9850
NSN 6610-01-474-6333
NSN 6150-01-206-4624
NSN 5835-01-519-3834
NSN 5910-00-407-4713
NSN 5910-01-394-6463
NSN 6685-01-357-3642
NSN 6145-00-141-8095
NSN 6685-01-307-1455
NSN 6105-01-270-7720
NSN 5965-01-627-0848