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 5999-01-591-3824
NSN 6105-01-602-8113
NSN 5915-00-217-6517
NSN 5975-01-469-6020
NSN 6685-01-471-0968
NSN 5975-00-081-2171
NSN 5999-01-569-1982
NSN 6610-01-156-0364
NSN 5905-01-245-8472
NSN 5905-00-490-0250
NSN 5985-01-112-3913
NSN 6610-01-160-8815