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 5905-00-816-9679
NSN 5930-01-618-7777
NSN 6650-01-153-8861
NSN 6145-01-585-1198
NSN 5910-01-278-1427
NSN 5910-00-924-5111
NSN 5960-01-461-9284
NSN 5930-01-503-9997
NSN 5960-01-528-1147
NSN 5985-01-235-2576
NSN 5835-00-816-0394
NSN 7035-01-339-3665