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 5985-00-361-8863
NSN 5855-01-224-7975
NSN 6150-00-222-3772
NSN 5910-01-539-1959
NSN 6645-01-047-9724
NSN 5910-01-343-6221
NSN 6110-01-604-1525
NSN 5996-00-425-7481
NSN 6105-01-186-6641
NSN 6105-01-591-9418
NSN 6685-01-212-9607
NSN 5835-00-089-0588