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 6220-01-233-1534
NSN 6610-00-281-9516
NSN 6650-01-322-6110
NSN 5996-01-021-8752
NSN 6145-01-443-3721
NSN 5965-00-004-6371
NSN 6105-00-086-2804
NSN 7035-00-361-5975
NSN 6105-01-337-9564
NSN 5915-01-109-4136
NSN 6150-00-819-7146
NSN 5920-00-317-2219