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 5960-01-407-1350
NSN 5999-01-060-7374
NSN 5855-01-623-6879
NSN 2925-01-347-4208
NSN 5975-00-114-5354
NSN 5999-01-272-2527
NSN 5910-01-139-6090
NSN 5905-01-281-2256
NSN 5975-01-042-1274
NSN 6105-00-443-4663
NSN 5905-01-577-7471
NSN 5960-00-882-9042