| EFFECTIVE LENGTH | 0.885 INCHES MINIMUM AND 0.888 INCHES MAXIMUM |
| DIAMETER | 0.307 INCHES MINIMUM AND 0.311 INCHES MAXIMUM |
| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM |
| FIRST END TAPER LENGTH | 0.016 INCHES MINIMUM AND 0.047 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HEIGHT | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| PIN HEAD DIAMETER | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL |
| UNDER HEAD LENGTH | 1.054 INCHES MINIMUM AND 1.062 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 0.177 INCHES MINIMUM AND 0.182 INCHES MAXIMUM |