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 5910-00-340-1667
NSN 6645-00-296-8310
NSN 5996-00-495-3086
NSN 5990-01-287-9447
NSN 5950-00-194-9064
NSN 5905-00-836-0355
NSN 5920-01-119-3652
NSN 5835-01-283-9691
NSN 6320-00-682-3448
NSN 2925-01-338-7126
NSN 6320-00-306-0124
NSN 6145-01-384-3748