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 6610-00-244-2816
NSN 6110-01-392-8049
NSN 6150-01-400-4211
NSN 6130-00-753-7732
NSN 2925-01-065-0060
NSN 6110-00-169-5722
NSN 5996-00-778-8663
NSN 6105-00-079-2409
NSN 4140-01-133-9011
NSN 6240-01-629-7882
NSN 6620-01-177-5567
NSN 6110-01-104-8770