An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 5895-01-440-4748
NSN 5996-01-600-2856
NSN 6620-01-378-5579
NSN 5960-00-630-6630
NSN 5985-01-041-4175
NSN 6220-00-169-6516
NSN 5999-00-931-4240
NSN 5935-00-873-3911
NSN 6150-01-237-0782
NSN 5965-01-365-1678
NSN 5965-01-191-0735
NSN 4140-01-252-2534