| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.578 INCHES MINIMUM AND 0.609 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FASTENER LENGTH | 1.078 INCHES MINIMUM AND 1.109 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM |
| HEAD DIAMETER | 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM |
| HEAD HEIGHT | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| HEAD STYLE | KNURLED NO. 1 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 416 OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| POINT LENGTH | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| POINT STYLE | FLAT |
| POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| SHOULDER DIAMETER | 0.625 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER LENGTH | 0.250 INCHES NOMINAL FIRST SHOULDER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,FINISH NO.5.4.1,TYPE 3 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD LENGTH | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNC |
| THREAD QUANTITY PER INCH | 18 |