| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.940 INCHES MINIMUM AND 2.000 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| FASTENER LENGTH | 2.812 INCHES MINIMUM AND 2.827 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| HEAD HEIGHT | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SECOND DIAMETER FROM HEAD | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.812 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 24 |
| WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |