| DISTANCE FROM THREADED END TO SHANK HOLE CENTER | 1.406 INCHES MINIMUM AND 1.438 INCHES MAXIMUM FIRST HOLE |
| EYE INSIDE DIAMETER | 0.438 INCHES MINIMUM AND 0.441 INCHES MAXIMUM |
| EYE OUTSIDE WIDTH | 1.000 INCHES NOMINAL |
| EYE STOCK THICKNESS | 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| OVERALL LENGTH | 2.968 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SHANK LENGTH | 1.578 INCHES MINIMUM AND 1.625 INCHES MAXIMUM |
| SHANK UNTHREADED HOLE DIAMETER | 0.096 INCHES MINIMUM AND 0.106 INCHES MAXIMUM FIRST HOLE |
| SHOULDER DIAMETER | 1.000 INCHES NOMINAL |
| SHOULDER THICKNESS | 0.125 INCHES NOMINAL |
| STYLE DESIGNATOR | ROUND, CLOSED W/SHOULDER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.766 INCHES MINIMUM AND 0.813 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNF |