| EXTENDED WASHER DIAMETER | 1.479 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.400 INCHES NOMINAL |
| FASTENER LENGTH | 1.500 INCHES MINIMUM AND 1.600 INCHES MAXIMUM |
| HEAD HEIGHT | 1.000 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| MATERIAL DOCUMENT AND CLASSIFICATION | ISO 898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| SPECIAL FEATURES | FINISH; IAW 12424710 METHOD 4 |
| THREAD SERIES DESIGNATOR | UNRC |
| THREAD QUANTITY PER INCH | 8 |
| WIDTH BETWEEN FLATS | 0.991 INCHES MINIMUM AND 1.003 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD LENGTH | 0.560 INCHES MAXIMUM |