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 5945-01-572-2525
NSN 5855-01-438-4588
NSN 6105-01-652-2909
NSN 5985-01-222-1690
NSN 6110-01-012-4710
NSN 5996-00-257-8628
NSN 7035-01-282-7124
NSN 5920-00-892-9276
NSN 6645-01-383-0106
NSN 5998-01-115-7603
NSN 5895-01-139-3579
NSN 5945-01-500-1371