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 5945-00-489-5327
NSN 6135-01-353-3802
NSN 5996-01-027-5054
NSN 6220-01-640-6930
NSN 6320-01-523-4954
NSN 5945-01-529-4276
NSN 5910-01-167-9757
NSN 6145-01-660-7640
NSN 5910-01-553-7653
NSN 5935-01-438-4252
NSN 6150-01-029-3619
NSN 6150-00-105-5523