THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
THREAD QUANTITY PER INCH | 24 |
NONSTANDARD THREAD PITCH DIAMETER | 0.2800 TO 0.2824 INCHES |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.740 INCHES MINIMUM AND |
| 0.770 INCHES MAXIMUM |
FASTENER LENGTH | 1.413 INCHES NOMINAL |
MATERIAL | IRON ALLOY 660 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
HEAD STYLE | DEE CHAMFER |
HEAD DIAMETER | 0.610 INCHES MINIMUM AND |
| 0.630 INCHES MAXIMUM |
HEAD HEIGHT | 0.240 INCHES MINIMUM AND |
| 0.260 INCHES MAXIMUM |
DISTANCE FROM CENTERLINE TO FLAT | 0.247 INCHES MINIMUM AND |
| 0.253 INCHES MAXIMUM |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
FIRST DIAMETER FROM HEAD | 0.309 INCHES MINIMUM AND |
| 0.312 INCHES MAXIMUM |
SECOND DIAMETER FROM HEAD | 0.235 INCHES MINIMUM AND |
| 0.245 INCHES MAXIMUM |
THIRD DIAMETER FROM HEAD | 0.309 INCHES MINIMUM AND |
| 0.312 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.210 INCHES MINIMUM AND |
| 0.230 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.280 INCHES MINIMUM AND |
| 0.320 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.480 INCHES MINIMUM AND |
| 0.540 INCHES MAXIMUM |
THE MANUFACTURERS DATA | |
MANUFACTURERS CODE | 77445 |
DESIGN CONTROL REFERENCE | 232095 |