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 5905-01-403-2806
NSN 6145-00-419-4734
NSN 5930-01-431-5776
NSN 5895-00-253-2578
NSN 6150-01-573-4410
NSN 5999-01-181-2738
NSN 6685-01-652-8093
NSN 5935-01-177-7353
NSN 6105-01-011-8560
NSN 6645-00-930-9356
NSN 5915-01-262-1159
NSN 6320-01-407-4411