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 6685-01-289-4808
NSN 6150-01-088-7643
NSN 6220-00-931-5414
NSN 6620-01-054-9346
NSN 5855-01-483-1350
NSN 6220-00-808-8434
NSN 6145-01-484-6415
NSN 5965-01-415-1210
NSN 7035-00-142-9076
NSN 5996-01-139-2843
NSN 6645-00-226-0657
NSN 6620-00-449-1150