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 6685-00-626-2419
NSN 5915-01-433-6013
NSN 5945-01-312-6596
NSN 7035-01-619-5073
NSN 5945-00-885-2332
NSN 6650-00-123-9677
NSN 6105-01-109-1876
NSN 5965-00-170-5254
NSN 6110-00-862-3097
NSN 6685-01-425-3128
NSN 5975-01-542-5432
NSN 5935-01-545-9733