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 6610-01-141-7014
NSN 5930-01-010-3283
NSN 6240-01-461-9635
NSN 5975-01-016-3723
NSN 6150-01-442-6514
NSN 5975-00-723-0390
NSN 4140-00-686-0839
NSN 6610-01-151-1540
NSN 6150-01-144-2518
NSN 2925-00-925-0545
NSN 5915-01-616-2718
NSN 7035-01-216-4806