| FASTENER LENGTH | 0.950 INCHES NOMINAL |
| GRIP LENGTH | 0.300 INCHES NOMINAL |
| HARDNESS RATING | 248.0 BRINELL STANDARD MINIMUM AND 380.0 BRINELL STANDARD MAXIMUM |
| HEAD HEIGHT | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL | STEEL |
| MINIMUM TENSILE STRENGTH | 123200 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| WIDTH BETWEEN FLATS | 0.493 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| STRENGTH GRADE DESIGNATION | ERR-030 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DTD 904 MIL SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | CADMIUM |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.650 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNF |