| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.640 INCHES NOMINAL |
| FASTENER LENGTH | 3.090 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 870 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | DEE |
| HEAD DIAMETER | 1.420 INCHES NOMINAL |
| HEAD HEIGHT | 0.200 INCHES NOMINAL |
| DISTANCE FROM CENTERLINE TO FLAT | 0.440 INCHES MINIMUM AND |
| 0.445 INCHES MAXIMUM |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER DIAMETER | 0.872 INCHES MINIMUM AND |
| 0.873 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 2.556 INCHES NOMINAL FIRST SHOULDER |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.930 INCHES NOMINAL FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES NOMINAL FIRST HOLE |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 98747 |
| DESIGN CONTROL REFERENCE | 8121070-01 |