| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.270 INCHES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FASTENER LENGTH | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.116 INCHES MINIMUM AND 0.124 INCHES MAXIMUM |
| HEAD HEIGHT | 0.230 INCHES NOMINAL |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
| HOLE DIAMETER | 0.047 INCHES NOMINAL |
| HOLE QUANTITY | 4 |
| HOLE TYPE | DRILLED |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| POINT STYLE | FLAT |
| WIDTH BETWEEN FLATS | 0.181 INCHES MINIMUM AND 0.189 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.552 INCHES MINIMUM AND 0.632 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 40 |