| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.366 INCHES MINIMUM AND |
| 0.416 INCHES MAXIMUM |
| FASTENER LENGTH | 1.251 INCHES MINIMUM AND |
| 1.281 INCHES MAXIMUM |
| 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-5626 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR |
| MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PAINT HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 595 NO. 17875 FED STD SINGLE TREATMENT RESPONSE HEAD |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| CONCENTRIC HOLE DIAMETER | 0.252 INCHES MINIMUM AND |
| 0.253 INCHES MAXIMUM |
| HEAD STYLE | DISHED HEXAGON |
| HEAD HEIGHT | 0.188 INCHES MINIMUM AND |
| 0.203 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND |
| 0.564 INCHES MAXIMUM |
| SPECIAL FEATURES | COLOR WHITE FED STD 595 NO. 17875 |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 98897 |
| DESIGN CONTROL REFERENCE | 1292033-115 |