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 6645-01-466-0185
NSN 5835-00-834-1286
NSN 6685-01-306-9462
NSN 6135-00-548-2765
NSN 5915-01-042-4166
NSN 6320-00-360-1744
NSN 5935-01-430-5562
NSN 5920-01-588-8770
NSN 5960-01-044-4902
NSN 5998-00-452-0329
NSN 6220-00-344-1781
NSN 4140-00-413-0877