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 6320-00-379-4695
NSN 4140-00-631-2385
NSN 5925-01-440-6870
NSN 5895-01-347-1016
NSN 6320-01-227-2648
NSN 5990-01-411-5930
NSN 5950-00-651-1310
NSN 6135-01-546-4588
NSN 5935-01-116-3015
NSN 5920-01-534-1954
NSN 5855-01-432-6172
NSN 6220-00-027-5303