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 5985-01-324-5913
NSN 5915-00-504-6739
NSN 7035-00-753-0695
NSN 5945-01-460-9587
NSN 5945-01-349-8029
NSN 5915-01-440-1859
NSN 5975-01-355-9666
NSN 6645-00-913-2723
NSN 5996-01-533-7803
NSN 5985-01-527-4017
NSN 5999-01-128-2184
NSN 6150-01-502-6779