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 6145-00-184-6171
NSN 6135-01-472-9011
NSN 5998-00-369-1101
NSN 6240-01-452-9418
NSN 5965-01-417-3211
NSN 5965-00-946-5156
NSN 6320-01-631-7828
NSN 6610-00-186-9180
NSN 5855-00-408-2611
NSN 6650-01-039-9340
NSN 6685-00-814-9185
NSN 5965-00-811-3793