| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.346 INCHES MINIMUM AND |
| 0.356 INCHES MAXIMUM |
| FASTENER LENGTH | 2.323 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | GM1013,FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM HEAD |
| CHROMIUM GRIP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-8837 TY 2 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD |
| QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE GRIP |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND |
| 49.0 ROCKWELL C MAXIMUM OVERALL |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| SHOULDER DIAMETER | 0.4995 INCHES MINIMUM AND |
| 0.5000 INCHES MAXIMUM |
| SHOULDER LENGTH | 1.967 INCHES MINIMUM AND |
| 1.977 INCHES MAXIMUM |
| CONCENTRIC HOLE DEPTH | 1.870 INCHES NOMINAL |
| CONCENTRIC HOLE DIAMETER | 0.186 INCHES MINIMUM AND |
| 0.192 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.120 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.740 INCHES MINIMUM AND |
| 0.752 INCHES MAXIMUM |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.203 INCHES NOMINAL FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM AND |
| 0.116 INCHES MAXIMUM FIRST HOLE |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 61174 |
| DESIGN CONTROL REFERENCE | A51C43597-17 |