| DISTANCE FROM THREADED END TO SHANK HOLE CENTER | 1.609 INCHES MINIMUM AND 1.641 INCHES MAXIMUM FIRST HOLE |
| EYE INSIDE DIAMETER | 0.190 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| EYE OUTSIDE WIDTH | 0.500 INCHES NOMINAL |
| EYE STOCK THICKNESS | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| OVERALL LENGTH | 2.531 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 | 0.250 INCHES |
| SHANK LENGTH | 1.766 INCHES MINIMUM AND 1.812 INCHES MAXIMUM |
| SHANK UNTHREADED HOLE DIAMETER | 0.066 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| SHOULDER DIAMETER | 0.500 INCHES NOMINAL |
| SHOULDER THICKNESS | 0.078 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 | 0.453 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNF |