| OVERALL LENGTH | 1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7481 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| SHANK DIAMETER | 0.216 INCHES MINIMUM AND 0.236 INCHES MAXIMUM |
| SPECIAL FEATURES | PITCH DIA IS OVERSIZED |
| STYLE DESIGNATOR | STEPPED |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.560 INCHES NOMINAL NUT THREAD |
| THREAD LENGTH | 0.603 INCHES MINIMUM AND 0.623 INCHES MAXIMUM STUD THREAD |
| THREAD PITCH DIAMETERS | +0.3452 TO 0.3467 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| THREAD QUANTITY PER INCH | 16 STUD THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD |