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 6135-01-089-4888
NSN 5996-01-514-8118
NSN 5910-01-095-0850
NSN 5855-01-615-8016
NSN 6110-01-573-4637
NSN 5945-01-125-5798
NSN 4140-01-572-3807
NSN 5990-01-301-9810
NSN 5895-01-134-1785
NSN 5930-01-168-8184
NSN 5999-01-628-3900
NSN 6645-01-062-0905