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 6110-00-856-0048
NSN 6685-00-601-8400
NSN 6150-00-613-0343
NSN 6650-01-144-8436
NSN 6320-01-183-8196
NSN 5855-01-602-9653
NSN 6620-01-247-1816
NSN 6645-01-325-5605
NSN 5965-00-843-9930
NSN 5975-01-486-0481
NSN 5835-01-376-8454
NSN 5996-01-415-3901