| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| FASTENER LENGTH | 3.290 INCHES MINIMUM AND 3.310 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.495 INCHES MINIMUM AND 0.499 INCHES MAXIMUM |
| HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.297 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| HOLE DIAMETER | 0.070 INCHES NOMINAL |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| MATERIAL | STEEL COMP 4140 OVERALL |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SECOND DIAMETER FROM HEAD | 0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.530 INCHES MINIMUM AND 0.570 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 24 |
| WIDTH BETWEEN FLATS | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |