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 6650-00-334-5901
NSN 6110-00-008-1766
NSN 6105-01-370-2574
NSN 5905-01-311-9184
NSN 5950-01-626-7889
NSN 5945-00-073-1917
NSN 5930-01-049-1087
NSN 5925-01-442-3792
NSN 6130-00-474-5671
NSN 5925-01-359-5532
NSN 5990-01-462-1617
NSN 5998-00-923-5267