| OVERALL LENGTH | 1.712 INCHES MINIMUM AND 1.757 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 4340 |
| NOMINAL THREAD SIZE | 0.500 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.562 INCHES STUD THREAD |
| NUT END SHANK DIAMETER | 0.408 INCHES MINIMUM AND 0.418 INCHES MAXIMUM |
| NUT END SHANK LENGTH | 0.404 INCHES MINIMUM AND 0.434 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.156 INCHES NOMINAL |
| STYLE DESIGNATOR | SHOULDERED AND STEPPED |
| THREAD CLASS | 2A NUT THREAD |
| THREAD CLASS | 2A STUD THREAD |
| THREAD DIRECTION | LEFT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM STUD THREAD |
| THREAD LENGTH | 0.700 INCHES NOMINAL NUT THREAD |
| THREAD QUANTITY PER INCH | 12 STUD THREAD |
| THREAD QUANTITY PER INCH | 20 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |