| FASTENER LENGTH | 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM |
| HEAD STYLE | HEADLESS (SETSCREW) |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9,0 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 7075 OVERALL |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| POINT STYLE | FLAT |
| SPECIAL FEATURES | THREE HOLES 0.047 IN. DIA EQUALLY SPACED AT 45.0 DEGREE ANGLE ON SOCKET END |
| WIDTH ACROSS FLATS | 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UN |