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 5915-00-839-0031
NSN 5930-01-381-0577
NSN 6650-01-177-4398
NSN 6105-01-440-2243
NSN 5855-00-925-0114
NSN 6320-01-252-2307
NSN 5920-01-032-4756
NSN 6620-01-332-0623
NSN 6320-01-029-4220
NSN 7035-00-009-8705
NSN 2925-00-127-7828
NSN 5835-00-572-7445