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 6320-01-611-4918
NSN 6145-00-722-9700
NSN 6220-01-013-9498
NSN 6320-01-166-3602
NSN 5990-01-470-2565
NSN 5990-00-093-6794
NSN 6645-00-476-5511
NSN 6110-01-548-6856
NSN 6650-00-364-7866
NSN 5905-01-225-4185
NSN 5945-01-422-1684
NSN 6650-01-102-7847