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 4140-01-065-0314
NSN 6620-00-221-7608
NSN 6650-01-037-1948
NSN 5990-01-176-2724
NSN 6130-00-460-4890
NSN 5990-01-253-1332
NSN 6610-01-010-3159
NSN 5965-01-121-6135
NSN 5985-00-116-6600
NSN 5965-00-058-6751
NSN 6105-00-928-7166
NSN 5935-00-270-1271