| CHAMFER ANGLE | 46.0 DEGREES NOMINAL |
| FASTENER LENGTH | 1.084 INCHES MINIMUM AND 1.104 INCHES MAXIMUM |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| HEAD LENGTH | 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM |
| HEAD STYLE | TEE NO. 6 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7470 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SPECIAL FEATURES | SHOULD 0.3405 IN. MIN 0.3415 IN. MAX DIA BY 0.100 IN. MIN 0.120 IN. MAX LG FROM HEAD BEARING SURFACE |
| WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.386 INCHES MINIMUM AND 0.416 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 24 |