| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.309 INCHES NOMINAL |
| FASTENER LENGTH | 5.684 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6349 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR |
| AMS6382 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR |
| AMS6415 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OR |
| AMS6484 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OR |
| AMS6322 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OR |
| AMS6325 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OR |
| AMS6327 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416, TYPE II, CLASS 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.500 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 1.427 INCHES MINIMUM AND |
| 1.440 INCHES MAXIMUM |
| GRIP LENGTH | 4.375 INCHES NOMINAL |
| GRIP DIAMETER | 0.998 INCHES MINIMUM AND |
| 0.999 INCHES MAXIMUM |