| DIAMETER | 1.248 INCHES MINIMUM AND 1.249 INCHES MAXIMUM |
| EFFECTIVE LENGTH | 1.550 INCHES NOMINAL |
| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 45.0 DEGREES NOMINAL |
| FIRST END TAPER LENGTH | 0.030 INCHES NOMINAL |
| HEAD STYLE | FLAT |
| HEIGHT | 0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 OVERALL |
| PIN HEAD DIAMETER | 1.380 INCHES NOMINAL |
| SPECIAL FEATURES | LONGITUDINAL HOLE IN SHANK 0.213 IN. DIA,1.060 IN. DP WITH TAP 0.250-28 UNF-2B 0.380 IN. DP,SECOND HOLE 0.125 IN. DIA 0.720 IN. DP 0.940 IN FROM SHANK END PERPENDICULAR TO LONGITUDINAL HOLE |
| STYLE DESIGNATOR | GROOVE |
| SURFACE FINISH | 125.0 MICROINCHES ALL OTHER SURFACES |
| SURFACE FINISH | 63.0 MICROINCHES LONG SHANK |
| SURFACE FINISH | 63.0 MICROINCHES UNDERCUT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| UNDER HEAD LENGTH | 1.690 INCHES MINIMUM AND 1.720 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.056 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 1.170 INCHES MINIMUM AND 1.180 INCHES MAXIMUM |