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 5950-01-625-9805
NSN 5999-01-062-0739
NSN 6240-00-801-8002
NSN 4140-01-032-3705
NSN 5945-01-095-3902
NSN 5945-01-123-6419
NSN 6240-01-384-3887
NSN 5925-00-119-8654
NSN 6620-01-477-3720
NSN 6240-00-660-8849
NSN 5998-00-188-3809
NSN 6105-01-509-2872