| DISTANCE ACROSS FLATS | 0.595 INCHES MINIMUM AND 0.605 INCHES MAXIMUM |
| MATERIAL | TITANIUM ALLOY UNS R56400 |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD0.250 INCHES STUD THREAD |
| NUT END SHANK DIAMETER | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| OVERALL LENGTH | 2.583 INCHES NOMINAL |
| SHOULDER LENGTH | 0.095 INCHES NOMINAL |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE FINISH | 63.0 MICROINCHES SHANK |
| THREAD CLASS | 3A NUT THREAD3A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREADRIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.461 INCHES NOMINAL NUT THREAD0.461 INCHES NOMINAL STUD THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD28 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNJF NUT THREADUNJF STUD THREAD |