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 5835-01-441-4746
NSN 5998-01-604-0372
NSN 5855-01-429-8702
NSN 5990-00-738-1928
NSN 6130-01-190-2326
NSN 5999-01-286-6594
NSN 6650-00-788-1461
NSN 5930-01-488-8315
NSN 5905-01-452-9458
NSN 5975-00-621-0152
NSN 6650-00-224-3223
NSN 5915-01-444-4069