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 5945-00-925-4764
NSN 6135-01-469-7574
NSN 5835-01-085-5487
NSN 5945-01-341-6783
NSN 5915-00-967-1925
NSN 6320-01-377-5701
NSN 6130-00-981-5575
NSN
NSN 6685-00-242-6722
NSN 5910-01-177-9208
NSN 5835-01-370-4292
NSN 5990-00-583-9920