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 5855-00-252-5743
NSN 6105-00-752-2560
NSN 6130-01-152-4161
NSN 2925-01-565-6410
NSN 2925-00-071-4197
NSN 5975-01-391-7803
NSN 5930-01-177-6826
NSN 7035-01-213-5590
NSN
NSN 6110-01-428-7317
NSN 5965-00-355-9564
NSN 5930-01-576-6089