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 6620-01-453-9971
NSN 5965-01-603-7959
NSN 5920-00-518-4452
NSN 6145-00-237-4598
NSN 2925-00-833-9466
NSN 6240-01-562-6938
NSN 5985-00-894-3404
NSN 5950-00-521-3852
NSN 5925-00-156-4044
NSN 5855-01-571-3903
NSN 5920-01-320-3953
NSN 6620-01-230-0197