| DISTANCE FROM CENTERLINE TO FLAT | 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.300 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.510 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.220 INCHES NOMINAL |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
| FASTENER LENGTH | 1.500 INCHES NOMINAL |
| FIRST DIAMETER FROM HEAD | 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| HEAD DIAMETER | 0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| HEAD HEIGHT | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| HEAD STYLE | DEE CHAMFER |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.2800 TO 0.2824 INCHES |
| SECOND DIAMETER FROM HEAD | 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM |
| THIRD DIAMETER FROM HEAD | 0.310 INCHES NOMINAL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.990 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNF |