| DESIGN TYPE | DOUBLE END |
| FEATURES PROVIDED | COMBINATION GO NOT GO GAGE |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| PITCH DIAMETER TOLERANCE | -0.00010 TO 0.00010 INCHES |
| SCREW THREAD QUANTITY PER INCH | 18.0 |
| SCREW THREAD SERIES DESIGNATOR | UNC |
| TAPERED THREADS | NOT INCLUDED |
| THREAD DESIGN PITCH DIAMETER | 0.3486 INCHES MINIMUM AND 0.3529 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD MAJOR DIAMETER TRUNCATION FEATURE | NOT INCLUDED |
| THREAD STAMPED PITCH DIAMETER | 0.3486 INCHES MINIMUM AND 0.3529 INCHES MAXIMUM |
| THREAD TYPE | SINGLE |