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 5905-01-359-4788
NSN 5925-01-541-3101
NSN 5975-01-411-1424
NSN 6240-01-350-3533
NSN 5999-01-456-2995
NSN 6240-01-343-9155
NSN 5965-01-364-1232
NSN 6320-01-307-0467
NSN 6320-00-343-1798
NSN 5945-00-078-2265
NSN 6220-01-589-2855
NSN 5855-01-511-0995