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 6145-00-426-8565
NSN 6110-01-160-9142
NSN 6145-01-406-3650
NSN 5960-01-398-4883
NSN 5999-00-562-2482
NSN 5835-00-402-8387
NSN 6320-00-360-1744
NSN 6610-00-661-1797
NSN 6610-01-501-6630
NSN 6645-00-149-1100
NSN 6240-01-160-8499
NSN 7035-00-206-6123