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 5855-00-337-3679
NSN 5950-01-112-0085
NSN 6645-00-192-1152
NSN 5935-01-507-0806
NSN 6110-00-780-1598
NSN 5990-00-394-3987
NSN 6610-00-186-9180
NSN 6220-01-058-2297
NSN 6105-01-100-1007
NSN 6320-01-106-4414
NSN 5930-00-816-5265
NSN 6220-00-311-4291