A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5985-00-433-9092
NSN 4140-00-350-7489
NSN 5895-00-493-0042
NSN 5905-01-229-0613
NSN 6220-01-428-8944
NSN 6150-01-218-4974
NSN 5950-01-412-8353
NSN 6145-01-345-1703
NSN 5945-01-555-8373
NSN 5945-00-336-9062
NSN 6220-01-540-5221
NSN 6110-00-709-2720