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 5985-00-761-1980
NSN 6105-01-477-6361
NSN 6150-01-427-3764
NSN 4140-00-346-8835
NSN 2925-01-563-7885
NSN 6620-00-984-7252
NSN 5950-01-035-6836
NSN 5910-01-567-5519
NSN 5945-01-507-6698
NSN 5925-00-774-6528
NSN 2925-00-355-5130
NSN 6130-01-483-1024