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 5996-01-393-7166
NSN 6110-01-583-4950
NSN 6145-01-254-2624
NSN 6150-01-299-4339
NSN 5855-01-586-6165
NSN 5915-00-558-4413
NSN 6320-01-498-4954
NSN 5945-01-514-0429
NSN 5855-00-797-8217
NSN 6610-01-458-3119
NSN 6110-01-285-1934
NSN 6150-01-413-3597