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 5965-01-132-8736
NSN 6150-01-086-5267
NSN 5975-01-435-9386
NSN 6105-00-171-2134
NSN 6105-01-139-0025
NSN 5895-01-317-4725
NSN 5920-00-901-9940
NSN 5999-01-072-2194
NSN 5905-01-525-6882
NSN 5950-00-764-8685
NSN 6620-01-397-8683
NSN 5910-00-935-1136