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 6150-01-380-9497
NSN 5945-01-263-9269
NSN 6650-01-548-8500
NSN 6105-00-356-7906
NSN 6620-01-204-5650
NSN 5920-01-206-9947
NSN 5985-00-248-3617
NSN 6685-01-381-5512
NSN 6320-01-415-0953
NSN 6220-01-571-0799
NSN 5920-01-484-0713
NSN 6620-00-185-1671