| MATERIAL | STEEL COMP 8640 OR |
| STEEL COMP 8740 OR |
| STEEL COMP 4140 |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A304 ASSN STD ALL MATERIAL RESPONSES |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYLE DESIGNATOR | SHOULDERED |
| SHOULDER DIAMETER | 0.338 INCHES MINIMUM AND |
| 0.339 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.310 INCHES NOMINAL |
| NUT END SHANK LENGTH | 1.870 INCHES NOMINAL |
| STUD END SHANK LENGTH | 1.990 INCHES NOMINAL |
| STUD END SHANK DIAMETER | 0.224 INCHES MINIMUM AND |
| 0.234 INCHES MAXIMUM |
| NUT END SHANK DIAMETER | 0.224 INCHES MINIMUM AND |
| 0.234 INCHES MAXIMUM |
| OVERALL LENGTH | 5.800 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNS STUD THREAD |
| NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD |
| THREAD CLASS | 3A NUT THREAD |
| THREAD QUANTITY PER INCH | 18 STUD THREAD |
| THREAD PITCH DIAMETERS | 0.2854 TO 0.2869 INCHES STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.880 INCHES NOMINAL NUT THREAD |
| 0.750 INCHES NOMINAL STUD THREAD |
| SPECIAL FEATURES | MIN FIRST THREAD AND MAX FIRST TWO THREADS OF STUD END TO HAVE PITCH DIA OF 0.2819 MIN AND 0.2839 MAX |
| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.110 INCHES NOMINAL FIRST HOLE |
| COTTER PIN HOLE DIAMETER | 0.065 INCHES MINIMUM AND |
| 0.072 INCHES MAXIMUM FIRST HOLE |