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 6130-01-271-9709
NSN 6610-01-106-5012
NSN 5960-01-121-4105
NSN 6110-00-170-6520
NSN 5915-01-158-5602
NSN 6240-00-003-6435
NSN 5905-01-052-9350
NSN 5855-01-538-0789
NSN 6220-01-320-6938
NSN 5996-01-336-0338
NSN 6110-00-401-4640
NSN 5905-00-106-5182