| EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.070 INCHES MINIMUM |
| FASTENER LENGTH | 3.115 INCHES MINIMUM AND 3.135 INCHES MAXIMUM |
| GRIP LENGTH | 2.190 INCHES MINIMUM AND 2.250 INCHES MAXIMUM |
| HEAD HEIGHT | 0.070 INCHES MINIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| SPECIAL FEATURES | CORROSION AND HEAT RESISTANT STEEL |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.925 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 24 |
| WIDTH BETWEEN FLATS | 0.3750 INCHES NOMINAL |