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 4140-01-306-8249
NSN 6685-01-499-6864
NSN 5975-01-227-2722
NSN 5965-00-296-9994
NSN 5985-00-153-4205
NSN 6685-01-634-0611
NSN 5998-01-265-2233
NSN 5905-01-513-7532
NSN 6320-01-425-1417
NSN 5999-00-584-4577
NSN 5965-00-408-5501
NSN 6240-00-824-4678