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 5905-00-067-6477
NSN 6110-01-413-9874
NSN 5915-01-519-2234
NSN 6685-00-427-7587
NSN 5998-01-573-8805
NSN 6220-00-878-4802
NSN 5960-00-361-8409
NSN 5930-00-660-3950
NSN 5999-01-529-0732
NSN 6645-00-232-4070
NSN 6650-00-938-9233
NSN 6650-00-680-9595