| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM |
| FIRST END TAPER LENGTH | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| FIRST STEP DIAMETER | 0.5905 INCHES MINIMUM AND 0.5908 INCHES MAXIMUM |
| FIRST STEP LENGTH | 1.390 INCHES MINIMUM AND 1.400 INCHES MAXIMUM |
| HEAD STYLE | PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION) |
| HEIGHT | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OVERALL |
| PIN HEAD DIAMETER | 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM |
| SECOND STEP LENGTH | 1.610 INCHES NOMINAL |
| SECOND STEP DIAMETER | 0.308 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| SPECIAL FEATURES | HOLE THRU SHANK 0.125 IN. MIN 0.127 IN. MAX DIA 0.120 IN. FROM CHAMFERED END |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| UNDER HEAD LENGTH | 2.900 INCHES MINIMUM AND 2.920 INCHES MAXIMUM |