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 4140-01-361-6137
NSN 5960-01-103-5476
NSN 6650-00-523-7897
NSN 5915-01-583-0678
NSN 5950-00-661-2612
NSN 5950-00-753-7471
NSN 5985-01-198-3237
NSN 5996-01-534-9696
NSN 6105-01-382-1677
NSN 2925-01-368-5773
NSN 5999-00-376-5072
NSN 5998-01-534-6768