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 2925-00-707-6770
NSN 5960-00-770-3701
NSN 5915-01-067-2301
NSN 5975-00-968-7650
NSN 5999-00-278-5563
NSN 6135-01-390-7364
NSN 6620-01-485-0556
NSN 6610-01-368-3269
NSN 6150-01-599-0241
NSN 5996-01-407-7374
NSN 6105-01-176-1478
NSN 5910-01-035-6724