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 6110-01-497-5430
NSN 5920-01-414-6983
NSN 5998-00-552-6703
NSN 6645-01-116-0750
NSN 5915-01-102-1601
NSN 5915-01-551-6552
NSN 5990-01-259-7138
NSN 5996-00-944-9185
NSN 6150-01-273-0183
NSN 5975-00-189-7481
NSN 6135-01-079-7852
NSN 5960-01-415-3574