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 6610-00-025-1878
NSN 5965-01-390-9249
NSN 6620-01-649-0748
NSN 5960-01-632-6576
NSN 6105-01-432-1342
NSN 5835-01-185-1102
NSN 5975-01-445-6261
NSN 6685-01-094-7219
NSN 5999-01-272-2527
NSN 6240-01-519-8781
NSN 6620-00-754-4914
NSN 5965-01-132-8736