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 4140-01-500-9644
NSN 6620-01-369-5876
NSN 6645-01-314-6716
NSN 6240-01-200-0797
NSN 5915-01-565-3091
NSN 5998-01-031-4484
NSN 6110-01-186-3867
NSN 6685-00-625-3722
NSN 6150-01-528-5472
NSN 5985-01-605-0230
NSN 6130-01-228-8062
NSN 6320-01-393-7022