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 5990-01-259-7138
NSN 6620-01-290-2973
NSN 6105-00-120-9601
NSN 5985-00-771-6418
NSN 5925-00-781-4535
NSN 5996-01-256-1083
NSN 5910-01-553-7167
NSN 6110-00-478-6150
NSN 5965-01-437-7736
NSN 6135-01-490-7704
NSN 6620-01-245-0184
NSN 5895-01-113-5580