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 6320-01-347-2638
NSN 6110-01-085-6052
NSN 4140-01-186-3977
NSN 6130-01-543-7078
NSN 5915-00-898-9625
NSN 7035-00-703-3535
NSN 6320-00-977-3930
NSN 6645-01-408-6568
NSN 5990-00-994-0555
NSN 5998-00-053-8234
NSN 5855-00-411-8688
NSN 5975-01-499-0497