| MATERIAL | STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE MANGANESE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232 TY M CL 1 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND |
| 35.0 ROCKWELL C MAXIMUM OVERALL |
| FIRST END STYLE | CHAMFERED W/THRU HOLE |
| FIRST END TAPER ANGLE | 10.0 DEGREES MINIMUM AND |
| 15.0 DEGREES MAXIMUM |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| PIN OVERALL LENGTH | 1.375 INCHES NOMINAL |
| PIN OVERALL DIAMETER | 0.3759 INCHES MINIMUM AND |
| 0.3761 INCHES MAXIMUM |
| INSIDE DIAMETER | 0.167 INCHES MINIMUM AND |
| 0.174 INCHES MAXIMUM |
| SPECIAL FEATURES | 0.164-32 UNC 2B THD 0.345 IN. MIN 0.405 IN. MAX DP ON GROOVE END ONLY |