| CONCENTRIC HOLE DIAMETER | 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE TO FLAT | 0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |
| FASTENER LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| HEAD DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| HEAD HEIGHT | 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| HEAD STYLE | HEADLESS (SETSCREW) |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.2797 TO 0.2824 INCHES |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 24 |