| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.058 INCHES MINIMUM AND 0.088 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.328 INCHES MINIMUM AND 0.338 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.033 INCHES MINIMUM AND 0.043 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FASTENER LENGTH | 0.451 INCHES MINIMUM AND 0.471 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| HEAD HEIGHT | 0.223 INCHES MINIMUM AND 0.243 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.363 INCHES MINIMUM AND 0.413 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 36 |
| WIDTH BETWEEN FLATS | 0.211 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |