| DESIGN TYPE | DOUBLE END |
| FEATURES PROVIDED | COMBINATION GO NOT GO GAGE |
| NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| PITCH DIAMETER TOLERANCE | -0.00001 TO 0.00001 INCHES AND -0.00003 TO 0.00000 INCHES |
| SCREW THREAD QUANTITY PER INCH | 20.0 |
| SCREW THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| TAPERED THREADS | NOT INCLUDED |
| THREAD DESIGN PITCH DIAMETER | 0.2825 INCHES MINIMUM AND 0.2863 INCHES MAXIMUM |
| THREAD MAJOR DIAMETER TRUNCATION FEATURE | NOT INCLUDED |
| THREAD STAMPED PITCH DIAMETER | 0.2825 INCHES MINIMUM AND 0.2863 INCHES MAXIMUM |
| THREAD TYPE | SINGLE |