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 5996-01-528-7850
NSN 6220-00-610-9103
NSN 6220-00-369-5422
NSN 5905-00-119-6932
NSN 6645-01-168-8465
NSN 5996-01-633-7979
NSN 6145-00-699-1637
NSN 5975-01-005-8774
NSN 6610-01-431-8575
NSN 5999-01-376-4009
NSN 5975-00-614-3555
NSN 5999-00-830-8907