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 6240-00-353-5753
NSN 6650-01-545-1563
NSN 5999-00-724-3487
NSN 5950-00-186-9315
NSN 6130-00-533-7953
NSN 6645-01-525-7493
NSN 6145-01-097-0746
NSN 6220-01-600-0257
NSN 5950-01-226-0693
NSN 6135-01-381-4675
NSN 5925-01-312-2209
NSN 6220-01-382-7997