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 5920-00-524-2291
NSN 5999-01-406-4571
NSN 6135-01-062-9356
NSN 5855-01-173-0808
NSN 5960-00-245-2645
NSN 6645-00-450-2209
NSN 5996-01-270-2932
NSN 5996-00-143-9377
NSN 6620-01-562-3862
NSN 5950-01-299-9782
NSN 4140-01-155-5620
NSN 5920-01-278-0600