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 5835-01-566-5462
NSN 2925-01-151-6969
NSN 5925-01-463-8594
NSN 6150-00-105-7231
NSN 5905-01-399-0607
NSN 6135-01-437-6409
NSN 5996-01-551-4801
NSN 5998-01-445-7159
NSN 5925-01-078-6673
NSN 6105-00-232-8291
NSN 6110-01-033-1153
NSN 5925-01-137-2234