| EXTENDED WASHER THICKNESS | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.877 INCHES MINIMUM AND 0.893 INCHES MAXIMUM |
| FASTENER LENGTH | 1.348 INCHES MINIMUM AND 1.373 INCHES MAXIMUM |
| HEAD HEIGHT | 0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.5000 INCHES |
| WIDTH BETWEEN FLATS | 0.6790 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.693 INCHES MINIMUM AND 0.713 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNJF |