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 6685-01-514-3909
NSN 6130-01-550-3714
NSN 6110-01-315-1853
NSN 4140-01-267-9506
NSN 4140-01-350-3277
NSN 6685-01-094-6455
NSN 5985-00-565-4240
NSN 5910-00-068-5170
NSN 6220-01-317-2151
NSN 7035-01-419-4317
NSN 6135-01-238-2878
NSN 5950-01-318-4451