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 6135-00-299-6918
NSN 6240-01-619-0531
NSN 5975-01-253-1171
NSN 5996-00-333-5182
NSN 6110-00-353-0139
NSN 6610-00-859-1862
NSN 5945-01-202-8119
NSN 5965-00-170-5254
NSN 5950-01-658-9897
NSN 5935-00-221-8353
NSN 5990-01-122-5629
NSN 5996-01-547-3452