| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.607 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.070 INCHES MINIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FASTENER LENGTH | 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| HEAD HEIGHT | 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7477 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY UNS N07001 OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SPECIAL FEATURES | GRIP AND BEARING SURFACE OF HEAD 32 MICRO INCHES; POINT AND BEARING SURFACE HEAT TREATED PER PWA 586-3 CAGEC 77445 |
| WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.865 INCHES MINIMUM AND 1.028 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |