| EFFECTIVE LENGTH | 3.625 INCHES MINIMUM AND 3.635 INCHES MAXIMUM |
| DIAMETER | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM |
| FIRST END LOCATION | BOTH ENDS |
| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| FIRST END TAPER LENGTH | 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM |
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| OVERALL LENGTH | 3.927 INCHES MINIMUM AND 3.947 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| SECOND UNDERCUT WIDTH | 0.075 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| SURFACE FINISH | 32.0 MICROINCHES SHANK END |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| UNDERCUT DIAMETER | 0.375 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.075 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |