| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM FIRST HOLE |
| FASTENER LENGTH | 1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| GRIP LENGTH | 0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM |
| HEAD HEIGHT | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY OVERALL |
| MINIMUM TENSILE STRENGTH | 62000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE |
| WIDTH BETWEEN FLATS | 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-A-8625 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE FILM AND ANODIZE OVERALL |
| THREAD CLASS | 3A |
| THREAD LENGTH | 0.625 INCHES MINIMUM AND 0.703 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNF |