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 5998-01-476-9568
NSN 6145-00-635-9957
NSN 6105-01-501-7372
NSN 5996-01-013-8528
NSN 6650-01-651-6221
NSN 6320-01-032-9703
NSN 6220-00-222-4399
NSN 5985-00-203-5884
NSN 5905-01-623-8087
NSN 2925-01-121-3355
NSN 5895-00-567-1140
NSN 6645-01-620-0044