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 5985-01-447-7287
NSN 5925-00-612-7159
NSN 6685-00-227-0212
NSN 5999-00-775-6428
NSN 5895-01-575-5702
NSN 5905-01-025-6949
NSN 5999-01-130-2229
NSN 6135-00-016-0071
NSN 5910-01-399-0570
NSN 6685-00-614-9659
NSN 6105-01-231-7759
NSN 5930-01-596-4036