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 5920-00-518-1793
NSN 7035-01-265-0216
NSN 6620-00-832-2556
NSN 5945-01-352-5852
NSN 5855-00-301-1176
NSN 5996-00-716-1933
NSN 5960-00-148-4492
NSN 5905-00-879-7930
NSN 7035-01-062-0184
NSN 5960-00-356-8744
NSN 6645-01-469-0192
NSN 6110-01-626-5080