| MATERIAL | STEEL COMP 8640 OR | 
|  | STEEL COMP 8740 OR | 
|  | STEEL COMP 4140 | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE | 
| SURFACE TREATMENT | CADMIUM OVERALL | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| OVERALL LENGTH | 2.090 INCHES NOMINAL | 
| THREAD SERIES DESIGNATOR | UNF NUT THREAD | 
|  | UNC STUD THREAD | 
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD | 
|  | 0.375 INCHES STUD THREAD | 
| THREAD CLASS | 3A NUT THREAD | 
|  | 3A STUD THREAD | 
| THREAD QUANTITY PER INCH | 24 NUT THREAD | 
|  | 16 STUD THREAD | 
| THREAD DIRECTION | RIGHT-HAND NUT THREAD | 
|  | RIGHT-HAND STUD THREAD | 
| THREAD LENGTH | 0.750 INCHES MINIMUM AND | 
|  | 0.880 INCHES MAXIMUM NUT THREAD | 
|  | 0.820 INCHES MINIMUM AND | 
|  | 1.020 INCHES MAXIMUM STUD THREAD | 
| 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 |