| THREAD SERIES DESIGNATOR | UNS |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| THREAD QUANTITY PER INCH | 14 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES MAXIMUM |
| FASTENER LENGTH | 2.938 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP E4340 OR |
| STEEL COMP 6150 OR |
| STEEL COMP 8735 OR |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OR |
| MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR |
| MIL-S-8503 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| CONCENTRIC HOLE DIAMETER | 0.500 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.500 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 1.438 INCHES NOMINAL |
| HOLE CONFIGURATION STYLE | HEXAGON CORNERS |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 2 |
| HOLE DIAMETER | 0.070 INCHES NOMINAL |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 78286 |
| DESIGN CONTROL REFERENCE | 65103-11065-102 |