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 5930-00-165-0190
NSN 5925-01-571-9963
NSN 6135-01-309-8414
NSN 2925-01-178-0063
NSN 6105-01-361-4847
NSN 6145-01-343-1835
NSN 6130-00-197-6987
NSN 5910-01-492-4749
NSN 5975-00-527-9656
NSN 5999-01-487-5435
NSN 5998-01-589-5238
NSN 2925-00-578-4068