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 5998-01-302-1965
NSN 6685-01-206-4615
NSN 5905-00-981-1745
NSN 5950-01-396-9770
NSN 7035-00-225-6499
NSN 5985-01-395-6952
NSN 6110-01-589-5005
NSN 5960-00-081-2559
NSN 5910-01-388-0867
NSN 6620-00-145-3010
NSN 2925-01-222-7764
NSN 6130-00-551-8316