| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.875 INCHES |
| THREAD QUANTITY PER INCH | 14 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.665 INCHES NOMINAL |
| FASTENER LENGTH | 4.375 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6419 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM HEAD |
| CHROMIUM GRIP |
| CADMIUM THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE HEAD |
| QQ-C-320 CL 2A FED SPEC SINGLE TREATMENT RESPONSE GRIP |
| MIL-C-8837 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE THREADS |
| MINIMUM TENSILE STRENGTH | 270000 POUNDS PER SQUARE INCH |
| STYLE DESIGNATOR | COUNTERBORE UNTHREADED |
| SHOULDER DIAMETER | 1.1225 INCHES MINIMUM AND |
| 1.1235 INCHES MAXIMUM |
| SHOULDER LENGTH | 3.510 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 0.687 INCHES NOMINAL |
| COUNTERBORE DEPTH | 3.400 INCHES NOMINAL |
| CONCENTRIC HOLE DIAMETER | 0.562 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.320 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 1.687 INCHES NOMINAL |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.125 INCHES NOMINAL FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES NOMINAL FIRST HOLE |
| CRITICALITY CODE JUSTIFICATION | CQBC |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 79RG9 |
| DESIGN CONTROL REFERENCE | 160D136013-1 |