| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.641 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 1.781 INCHES NOMINAL |
| FEATURES PROVIDED | FINISHED HEAD |
| GRIP LENGTH | 1.375 INCHES NOMINAL |
| HEAD HEIGHT | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-267 FED SPEC 1ST MATERIAL RESPONSE OR MIL-W-7986 MIL SPEC 2ND MATERIAL RESPONSE OR QQ-A-268 FED SPEC 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 1100 OR ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2117 OVERALL |
| MINIMUM TENSILE STRENGTH | 62000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES NOMINAL FIRST HOLE |
| 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 DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.406 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |
| WIDTH BETWEEN FLATS | 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |