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 6650-00-937-5319
NSN 6610-00-584-5055
NSN 6145-01-270-8558
NSN 5930-01-055-5525
NSN 5835-01-431-6877
NSN 6650-01-003-9355
NSN 5950-01-496-4026
NSN 5985-01-605-2470
NSN 5998-01-519-9273
NSN 5996-01-399-6677
NSN 6220-01-483-7883
NSN 5935-01-335-6998