| CRITICALITY CODE JUSTIFICATION | ABPR AND ABPT |
| FIRST END STYLE | SQUARE |
| FIRST STEP DIAMETER | 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| FIRST STEP LENGTH | 0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| HEAD STYLE | FLAT FILLISTER |
| HEIGHT | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1018 OR STEEL COMP 1117 OVERALL |
| PIN HEAD DIAMETER | 0.402 INCHES MINIMUM AND 0.403 INCHES MAXIMUM |
| SECOND STEP DIAMETER | 0.155 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| SECOND STEP LENGTH | 0.750 INCHES MINIMUM AND 0.770 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE FINISH | 125.0 MICROINCHES OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| UNDER HEAD LENGTH | 1.625 INCHES MINIMUM AND 1.635 INCHES MAXIMUM |