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 5905-01-589-7126
NSN 5905-01-337-8715
NSN 6220-01-269-7887
NSN 5905-01-425-1366
NSN 5910-01-568-9354
NSN 5998-00-424-9174
NSN 5960-01-285-2152
NSN 6650-00-367-9230
NSN 2925-00-265-7539
NSN 5950-00-299-4467
NSN 6105-00-822-5165
NSN 6150-01-634-0575