| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.8590 INCHES MINIMUM AND |
| 0.9060 INCHES MAXIMUM |
| FASTENER LENGTH | 0.7660 INCHES MINIMUM AND |
| 0.7810 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6382 NATIONAL STD SINGLE MATERIAL RESPONSE OR |
| AMS6415 NATIONAL STD SINGLE MATERIAL RESPONSE OR |
| AMS6484 NATIONAL STD SINGLE MATERIAL RESPONSE OR |
| AMS6322 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.1250 INCHES MINIMUM AND |
| 0.1400 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.3670 INCHES MINIMUM AND |
| 0.3760 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, HEX HEAD, CRUCIFORM RECESS, FULL THREAD, ALLOY STEEL, 160 KSI FTU |