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 5910-00-426-0798
NSN 5945-01-392-1068
NSN 4140-00-176-4761
NSN 6320-01-407-8663
NSN 5920-01-451-3882
NSN 6685-01-190-4356
NSN 5835-01-455-1684
NSN 2925-01-577-0004
NSN 5985-01-444-5232
NSN 6685-01-191-6620
NSN 5975-00-947-6045
NSN 5975-00-442-3500