| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 0.630 INCHES MINIMUM AND 0.815 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.435 INCHES MINIMUM AND 0.535 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.470 INCHES MINIMUM AND 0.655 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 |
| FASTENER LENGTH | 3.180 INCHES NOMINAL |
| FIRST DIAMETER FROM HEAD | 0.672 INCHES MINIMUM AND 0.673 INCHES MAXIMUM |
| FOURTH DIAMETER FROM HEAD | 0.540 INCHES MAXIMUM |
| HEAD HEIGHT | 0.380 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| HOLE CONFIGURATION STYLE | HEXAGON CORNERS |
| HOLE DIAMETER | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| HOLE QUANTITY | 3 |
| HOLE TYPE | DRILLED |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY 400 OVERALL |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| POINT DIAMETER | 0.310 INCHES NOMINAL |
| POINT LENGTH | 0.440 INCHES NOMINAL |
| POINT STYLE | DOG |
| SPECIAL FEATURES | FIRST DIA AFTER THREADS 1.060 IN. NOM LTH AND 0.535 IN. MIN,0.540 IN. MAX DIA |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THIRD DIAMETER FROM HEAD | 0.672 INCHES MINIMUM AND 0.673 INCHES MAXIMUM |
| THREAD LENGTH | 1.120 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNF |
| WIDTH BETWEEN FLATS | 0.937 INCHES NOMINAL |