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 6135-00-900-2139
NSN 5950-00-888-9455
NSN 7035-01-312-5860
NSN 5950-01-381-0490
NSN 5945-01-413-0967
NSN 5920-01-307-1439
NSN 5905-01-168-8603
NSN 5835-01-214-5402
NSN 5835-00-269-2232
NSN 5975-01-322-4886
NSN 5996-01-030-9694
NSN 6320-01-481-7322