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 5950-01-109-7409
NSN 5835-00-356-3825
NSN 5895-01-236-2520
NSN 5996-00-010-7808
NSN 6220-01-394-2604
NSN 5998-00-707-5781
NSN 5835-00-174-7763
NSN 4140-01-128-9614
NSN 5960-00-443-9452
NSN 6220-01-159-9080
NSN 5965-01-301-2553
NSN 5935-00-903-3513