| FASTENER LENGTH | 0.766 INCHES MINIMUM AND 0.797 INCHES MAXIMUM |
| HEAD DIAMETER | 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| HEAD HEIGHT | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| NECK LENGTH | 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM |
| NECK WIDTH | 0.494 INCHES MINIMUM AND 0.496 INCHES MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SPECIAL FEATURES | HEAD END DRILLED AND TAPPED 1/4-20 UNC-2B BY 0.375 IN. DEEP |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.406 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNC |