| EFFECTIVE LENGTH | 3.090 INCHES MINIMUM AND 3.110 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN HOLES | 2.250 INCHES NOMINAL |
| DIAMETER | 1.246 INCHES MINIMUM AND 1.248 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN | 0.625 INCHES NOMINAL |
| FIRST END LOCATION | SQUARE END |
| FIRST HOLE DIAMETER | 0.125 INCHES NOMINAL |
| FIRST END STYLE | SQUARE |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| HOLE ARRANGEMENT STYLE | BOTH END DRILLED |
| OVERALL LENGTH | 3.516 INCHES MINIMUM AND 3.547 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4145 OR STEEL COMP 5147 OR STEEL COMP 6150 OR STEEL COMP 8642 OR STEEL COMP 8645 OVERALL |
| SPECIAL FEATURES | 0.250-28 THREADED HOLE IN ONE END |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| SECOND HOLE DIAMETER | 0.125 INCHES NOMINAL |
| SECOND UNDERCUT WIDTH | 0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| UNDERCUT DIAMETER | 1.191 INCHES MINIMUM AND 1.199 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |