| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FASTENER LENGTH | 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.102 INCHES MINIMUM AND 0.107 INCHES MAXIMUM |
| HEAD DIAMETER | 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM |
| HEAD HEIGHT | 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.600 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNRC |
| WIDTH ACROSS FLATS | 0.1094 INCHES MINIMUM AND 0.1111 INCHES MAXIMUM |