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 5998-00-842-0866
NSN 5996-01-335-3512
NSN 5996-01-147-7378
NSN 6110-01-317-8073
NSN 5990-01-203-6089
NSN 5998-01-457-6008
NSN 7035-01-265-0216
NSN 5999-01-285-2952
NSN 6240-01-094-7717
NSN 6320-01-116-3980
NSN 5915-01-411-6202
NSN 6645-00-715-1531