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 5925-01-152-2690
NSN 5950-00-543-7906
NSN 6150-00-819-4472
NSN 5998-01-535-2447
NSN 6110-01-029-3403
NSN 5835-00-269-2232
NSN 6220-01-415-3115
NSN 5990-00-625-2560
NSN 6130-00-357-9368
NSN 6105-00-025-9290
NSN 2925-01-485-6982
NSN 5996-01-041-3206