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 5985-01-511-0391
NSN 5930-01-473-5248
NSN 6110-01-564-5438
NSN 5925-01-501-8667
NSN 5855-00-688-9954
NSN 5985-00-158-5316
NSN 5915-01-408-0425
NSN 5975-00-079-0022
NSN 2925-01-307-2637
NSN 5925-00-103-1738
NSN 6610-01-365-0971
NSN 6320-01-618-7800