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 6610-01-462-5980
NSN 6135-01-470-9738
NSN 6620-01-179-4154
NSN 6135-00-539-8088
NSN 5915-01-411-3544
NSN 5996-01-269-2901
NSN 5920-01-489-7090
NSN 5895-00-518-4954
NSN 5930-01-059-5469
NSN 6620-00-322-2832
NSN 5950-01-311-1301
NSN 5925-00-994-0405