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 5965-01-236-6827
NSN 5996-01-592-4339
NSN 5996-00-467-4196
NSN 6320-00-116-3658
NSN 6105-01-539-1151
NSN 5975-01-213-7884
NSN 5965-00-445-1843
NSN 6645-01-108-6333
NSN 6610-01-202-1373
NSN 5930-00-299-7623
NSN 6645-00-593-5420
NSN 6320-01-458-9567