| MATERIAL DOCUMENT AND CLASSIFICATION | DTD 5639 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| III SURFACE FINISH | 125.0 MICROINCHES OVERALL |
| NOMINAL THREAD SIZE | 0.375 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| NUT END SHANK DIAMETER | 0.305 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| NUT END SHANK LENGTH | 1.987 INCHES NOMINAL |
| OVERALL LENGTH | 4.000 INCHES NOMINAL |
| SHOULDER DIAMETER | 0.787 INCHES MINIMUM AND 0.789 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| SPECIAL FEATURES | W/OFF-SET SHOULDER;UNDER-HEAD RADII 32 MICROINCHES |
| STUD END SHANK DIAMETER | 0.305 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDERED |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.690 INCHES NOMINAL NUT THREAD |
| THREAD LENGTH | 0.690 INCHES NOMINAL STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD QUANTITY PER INCH | 24 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNJF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNJF STUD THREAD |