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 5945-01-396-1823
NSN 6110-01-545-7655
NSN 6620-01-068-4498
NSN 5910-01-525-8728
NSN 5910-01-303-6055
NSN 5915-01-065-1127
NSN 5925-01-563-1757
NSN 5998-00-065-4482
NSN 5855-01-364-9810
NSN 7035-01-169-1166
NSN 5965-01-182-3384
NSN 6320-01-388-3125