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 5895-01-089-9999
NSN 6135-00-134-6648
NSN 5990-00-309-0023
NSN 5895-01-176-6864
NSN 5945-00-707-3384
NSN 6150-00-383-2517
NSN 6685-01-284-3540
NSN 6645-00-536-1555
NSN 4140-01-087-3336
NSN 5998-00-933-9298
NSN 6685-01-066-1317
NSN 5855-01-147-6024