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 2925-01-219-9471
NSN 6240-01-132-1634
NSN 5930-01-398-5532
NSN 5905-01-109-2152
NSN 5965-00-728-6734
NSN 5925-01-546-7914
NSN 5915-01-623-5986
NSN 5950-01-192-3247
NSN 6105-01-201-8257
NSN 5990-01-625-5923
NSN 6240-00-853-3576
NSN 6240-01-331-5246