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 5915-00-584-3512
NSN 5925-00-481-5571
NSN 5920-00-755-6265
NSN 6620-01-492-9508
NSN 6240-01-503-8717
NSN 6145-01-139-2158
NSN 6110-01-322-4659
NSN 6610-01-348-5719
NSN 5910-01-646-1249
NSN 5975-00-074-2072
NSN 5950-00-933-5973
NSN 5910-01-110-1140