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 6220-00-107-1835
NSN 6105-01-411-0785
NSN 5930-01-647-8784
NSN 6150-01-139-5283
NSN 6320-01-397-9995
NSN 5965-01-057-7719
NSN 5950-01-634-0677
NSN 2925-01-416-6927
NSN 4140-00-908-2363
NSN 6130-01-342-5857
NSN 5905-01-644-5732
NSN 5910-00-100-1496