| CHAMFER ANGLE | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| HEAD LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| HEAD STYLE | TEE NO. 6 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| WIDTH BETWEEN FLATS | 0.330 INCHES MINIMUM AND 0.340 INCHES MAXIMUM |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.840 INCHES MINIMUM AND 0.870 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNS |
| THREAD QUANTITY PER INCH | 28 |