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 5835-01-522-1023
NSN 6650-01-569-6358
NSN 2925-01-380-0869
NSN 4140-01-538-1726
NSN 7035-00-104-7613
NSN 5895-01-502-6601
NSN 6220-00-371-7589
NSN 5998-01-440-9490
NSN 6105-00-414-8539
NSN 5950-01-451-4040
NSN 5950-01-329-2421
NSN 6240-01-572-2225