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 5985-01-634-0635
NSN 6610-01-587-6068
NSN 6130-01-330-7845
NSN 5905-00-372-5214
NSN 6145-00-015-6283
NSN 5855-01-452-8512
NSN 6105-00-643-4975
NSN 6610-00-287-6296
NSN 6685-01-371-3050
NSN 5998-00-506-4022
NSN 5920-00-498-1392
NSN 5915-01-032-5420