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 6320-01-631-7828
NSN 6610-01-005-1190
NSN 5985-01-384-0670
NSN 6620-00-980-8046
NSN 5945-01-600-3469
NSN 6320-01-116-3980
NSN 5930-00-451-5976
NSN 5835-00-286-5432
NSN 5835-00-180-7555
NSN 6105-00-012-4868
NSN 5975-01-294-1064
NSN 6240-00-473-6138