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 6240-01-394-4212
NSN 6145-01-182-8781
NSN 2925-01-236-3547
NSN 5975-00-224-7013
NSN 6150-01-023-7710
NSN 5996-01-362-9670
NSN 6685-01-196-6082
NSN 5998-00-476-1133
NSN 6150-01-025-0423
NSN 6135-01-604-8739
NSN 5950-01-655-8144
NSN 6220-01-317-1165