| EXTENDED WASHER THICKNESS | 1.33 INCHES NOMINAL |
| EXTENDED WASHER DIAMETER | 0.928 INCHES MINIMUM AND 0.938 INCHES MAXIMUM |
| FASTENER LENGTH | 1.585 INCHES MINIMUM AND 1.615 INCHES MAXIMUM |
| HEAD HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
| HEAD HEIGHT | 0.557 INCHES NOMINAL |
| HEAD MINOR DIAMETER | 0.610 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/ HOLE |
| HOLE DIAMETER | 0.41 INCHES MINIMUM AND 0.45 INCHES MAXIMUM |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| NOMINAL THREAD DIAMETER | 0.5625 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, 12PT .5625-18UNJF-3A X 1.60L |
| SPECIAL FEATURES | ALTERNATE MATERIAL MAY BE PROCURED TO AMS 5662 OR AMS 5663 AND RE-HEAT TREATED TO AMS 5664 REQUIREMENTS. RE-HEAT TREATED MATERIAL MUST BE CERTIFIED TO ALL AMS 5664 TESTING REQUIRMENTS. |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A967 ASSN STD SINGLE TREATMENT RESPONSE |
| SCREW MATERIAL | NICKEL ALLOY |
| SCREW SURFACE TREATMENT | PASSIVATE |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.94 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 0.616 INCHES MINIMUM AND 0.628 INCHES MAXIMUM |