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 6320-00-228-5678
NSN 5998-00-761-8201
NSN 5835-01-628-1748
NSN 6220-01-625-3533
NSN 4140-01-265-0731
NSN 5950-01-139-4371
NSN 5855-01-287-1515
NSN 5999-01-075-9775
NSN 7035-00-803-3056
NSN 6130-00-548-0845
NSN 6645-00-470-5310
NSN 5990-00-816-9289