| DISTANCE FROM CENTERLINE TO FLAT | 0.380 INCHES NOMINAL |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.637 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 1.626 INCHES MINIMUM AND 1.646 INCHES MAXIMUM |
| HEAD HEIGHT | 0.180 INCHES NOMINAL |
| HEAD DIAMETER | 1.000 INCHES NOMINAL |
| HEAD STYLE | DEE CHAMFER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 182000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SHOULDER DIAMETER | 0.436 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER LENGTH | 1.196 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHANK UNTHREADED HOLE DIAMETER | 0.081 INCHES NOMINAL FIRST HOLE |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.305 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNF |