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 5965-01-417-3211
NSN 6220-00-877-6376
NSN 6645-01-172-4477
NSN 5950-00-769-5116
NSN 6135-01-599-7563
NSN 6130-00-246-5906
NSN 6135-00-461-3590
NSN 5960-01-311-5817
NSN 6135-00-542-6728
NSN 6220-01-007-1912
NSN 6610-00-081-2365
NSN 5835-00-540-9669