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 5996-01-216-8136
NSN 5915-01-305-9306
NSN 6105-00-820-6751
NSN 5975-01-494-4043
NSN 5950-01-442-2075
NSN 5998-00-432-0011
NSN 6645-01-089-6459
NSN 5965-01-500-5386
NSN 5975-01-649-6987
NSN 6645-01-481-5469
NSN 6130-01-287-8524
NSN 6105-01-351-4283