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 4140-01-406-3292
NSN 5910-01-491-1579
NSN 6685-01-195-5354
NSN 5895-00-597-8725
NSN 5910-01-459-3034
NSN 5915-01-473-2455
NSN 5950-01-078-4137
NSN 5996-00-222-6049
NSN 6105-00-079-0044
NSN 5945-01-238-7378
NSN 7035-01-184-8905
NSN 5965-01-589-3968