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 5996-01-230-4157
NSN 5975-01-185-6994
NSN 6610-00-664-2190
NSN 6220-01-347-3578
NSN 5910-01-234-2334
NSN 5975-01-509-4016
NSN 5960-00-110-7348
NSN 6135-00-276-7625
NSN 5990-01-127-9294
NSN 5895-01-486-6399
NSN 6240-00-542-6657
NSN 5910-01-258-5691