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 5910-01-442-7789
NSN 5895-01-550-6599
NSN 5945-00-520-6043
NSN 6620-01-324-7809
NSN 6240-00-538-1416
NSN 6240-00-901-1082
NSN 5950-01-408-0654
NSN 6320-01-123-6814
NSN 5960-01-171-8944
NSN 5920-00-149-0013
NSN 6620-01-290-8209
NSN 5985-01-523-7444