| EXTENDED WASHER THICKNESS | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.878 INCHES MINIMUM AND 0.893 INCHES MAXIMUM |
| FASTENER LENGTH | 1.733 INCHES NOMINAL |
| HEAD HEIGHT | 0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| WIDTH BETWEEN FLATS | 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.703 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNJF |