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 6610-01-100-3662
NSN 5855-00-688-9954
NSN 5915-01-421-0196
NSN 5905-01-181-6561
NSN 6610-01-013-3423
NSN 6105-00-919-8466
NSN 5985-01-228-4879
NSN 5965-01-261-6073
NSN 2925-00-183-4390
NSN 5835-01-268-1924
NSN 5905-00-203-1792
NSN 2925-01-151-6969