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 6110-00-107-1664
NSN 6610-01-026-1701
NSN 6645-01-304-4308
NSN 5985-01-466-1135
NSN 5895-01-524-6234
NSN 6130-01-329-8789
NSN 5855-01-419-5285
NSN 6150-01-200-0117
NSN 6645-01-124-6277
NSN 5960-01-418-4875
NSN 5998-01-435-7398
NSN 5915-01-490-0950