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 6610-01-605-1161
NSN 5965-00-807-9159
NSN 6620-01-443-1214
NSN 5925-01-189-8052
NSN 5915-00-938-2634
NSN 5935-00-402-2042
NSN 6145-00-107-7913
NSN 5975-01-447-9185
NSN 6650-01-619-9986
NSN 6105-01-655-2299
NSN 5950-01-161-2044
NSN 5895-00-812-2498