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 6650-01-535-6287
NSN 6320-00-593-0379
NSN 5985-01-185-7364
NSN 6105-01-363-9225
NSN 6650-01-337-4365
NSN 6610-00-121-4683
NSN 5990-01-324-1204
NSN 5985-01-382-6538
NSN 6610-01-007-7617
NSN 6610-01-184-3016
NSN 5960-00-289-6591
NSN 5905-00-276-8597