5/16 inch
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 2925-00-730-3115
NSN 5935-01-474-0605
NSN 5925-01-434-1479
NSN 5905-00-469-1865
NSN 6240-01-433-3648
NSN 6620-00-147-1014
NSN 5996-01-310-2986
NSN 6620-01-274-0203
NSN 6135-01-633-8502
NSN 5945-00-394-2754
NSN 5895-01-085-6168
NSN 5975-00-051-3994