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.
NSN 5835-01-473-6187
NSN 6150-01-378-2749
NSN 5965-01-633-8849
NSN 5960-01-406-4136
NSN 5895-01-537-2003
NSN 6145-01-528-4181
NSN 5895-00-494-3617
NSN 5975-00-827-7426
NSN 7035-01-613-1814
NSN 6105-00-234-7787
NSN 5950-00-294-4919
NSN 6240-00-930-4206