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 5945-01-255-3385
NSN 5905-01-256-4160
NSN 5915-01-626-0572
NSN 5945-01-193-5132
NSN 6145-00-876-4449
NSN 5855-00-055-1694
NSN 5975-00-882-6205
NSN 6145-00-993-1916
NSN 6130-01-562-2945
NSN 6685-01-565-7865
NSN 6320-01-240-4637
NSN 2925-00-561-9904