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 5996-00-137-9142
NSN 6145-01-205-3009
NSN 6145-00-377-0971
NSN 5930-00-939-4559
NSN 5915-00-202-5192
NSN 6240-01-241-5209
NSN 5950-00-548-8385
NSN 4140-01-240-6125
NSN 6220-01-388-0823
NSN 5895-01-472-2476
NSN 6145-01-080-5106
NSN 6240-01-232-8079