| DIAMETER | 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| EFFECTIVE LENGTH | 0.232 INCHES MINIMUM AND 0.236 INCHES MAXIMUM |
| FIRST END STYLE | SQUARE W/THRU HOLE |
| HARDNESS RATING | 50.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | FLAT CHAMFER |
| HEIGHT | 0.075 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| PIN HEAD DIAMETER | 0.500 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4340 OVERALL |
| SPECIAL FEATURES | COAT WITH VV-L-800 AFTER PHOSPHATING; 0.130 INCH NOMINAL DIAMETER LONGITUDINAL HOLE THROUGH AXIAL CENTER |
| STYLE DESIGNATOR | GROOVE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232 TYPE M CLASS 1 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| UNDER HEAD LENGTH | 0.340 INCHES NOMINAL |
| UNDERCUT WIDTH | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| UNDERCUT DIAMETER | 0.350 INCHES MINIMUM AND 0.354 INCHES MAXIMUM |