| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.300 INCHES MINIMUM AND 4.330 INCHES MAXIMUM FIRST HOLE |
| ASKEWED HEAD ANGLE | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM |
| CONCENTRIC HOLE DEPTH | 4.050 INCHES MINIMUM AND 4.090 INCHES MAXIMUM |
| CONCENTRIC HOLE DIAMETER | 0.329 INCHES MINIMUM AND 0.349 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE TO FLAT | 0.355 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| FASTENER LENGTH | 4.545 INCHES MINIMUM AND 4.565 INCHES MAXIMUM |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM OVERALL |
| HEAD DIAMETER | 0.820 INCHES MINIMUM AND 0.860 INCHES MAXIMUM |
| HEAD HEIGHT | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| HEAD STYLE | DEE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5667 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE |
| SHOULDER DIAMETER | 0.538 INCHES MINIMUM AND 0.539 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.870 INCHES MINIMUM AND 0.930 INCHES MAXIMUM |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD LENGTH | 4.203 INCHES MINIMUM AND 4.205 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNJF |