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 7035-00-631-3782
NSN 5910-01-306-7458
NSN 6105-01-421-2644
NSN 6685-01-107-2630
NSN 6105-01-624-5068
NSN 5990-01-226-6924
NSN 4140-01-369-2959
NSN 6135-01-244-5580
NSN 5990-01-489-0366
NSN 5965-01-633-8849
NSN 5985-01-445-3193
NSN 6685-01-128-6935