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 5990-00-061-9041
NSN 6135-00-351-8606
NSN 5945-01-363-9209
NSN 5935-01-252-2513
NSN 6110-01-541-9762
NSN 5855-00-337-3679
NSN 5996-01-216-8136
NSN 6105-01-644-6577
NSN 5998-01-007-4735
NSN 5915-01-587-7295
NSN 6240-00-456-2578
NSN 6105-01-054-2815