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 6610-01-399-7613
NSN 6240-00-531-3187
NSN 6130-00-250-5505
NSN 6645-01-476-8013
NSN 5910-00-917-9737
NSN 6220-01-504-9398
NSN 5975-01-381-7274
NSN 5996-00-170-8060
NSN 6240-01-391-6027
NSN 4140-01-079-1146
NSN 6320-00-036-3688
NSN 5998-00-041-1807