| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.330 INCHES MINIMUM AND |
| 0.370 INCHES MAXIMUM |
| FASTENER LENGTH | 1.385 INCHES MINIMUM AND |
| 1.415 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 321 OVERALL |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.250 INCHES MINIMUM AND |
| 0.265 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.750 INCHES NOMINAL |
| SHOULDER SHAPE | ROUND ALL SHOULDERS |
| SHOULDER DIAMETER | 0.4990 INCHES MINIMUM AND |
| 0.4995 INCHES MAXIMUM FIRST SHOULDER |
| 0.1885 INCHES MINIMUM AND |
| 0.1894 INCHES MAXIMUM THIRD SHOULDER |
| 0.3115 INCHES MINIMUM AND |
| 0.3120 INCHES MAXIMUM SECOND SHOULDER |
| SHOULDER LENGTH | 0.260 INCHES MINIMUM AND |
| 0.280 INCHES MAXIMUM FIRST SHOULDER |
| 0.920 INCHES MINIMUM AND |
| 0.940 INCHES MAXIMUM THIRD SHOULDER |
| 0.670 INCHES MINIMUM AND |
| 0.690 INCHES MAXIMUM SECOND SHOULDER |
| SPECIAL FEATURES | 0.113 LONG UNDERCUT STARTING FROM THE BOTTOM OF SHOULDER TO THE TOP OF THREADS |