| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| NOMINAL THREAD SIZE | 0.625 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.625 INCHES STUD THREAD |
| NUT END SHANK DIAMETER | 0.600 INCHES NOMINAL |
| NUT END SHANK LENGTH | 0.140 INCHES NOMINAL |
| OVERALL LENGTH | 5.250 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 416 |
| SHOULDER DIAMETER | 1.000 INCHES NOMINAL |
| SHOULDER LENGTH | 0.125 INCHES NOMINAL |
| SPECIAL FEATURES | 0.438 IN. ACROSS FLATS 0.340 IN. LG WRENCHING FLAT LOCATED ON NUT END |
| THREAD CLASS | 2A NUT THREAD |
| THREAD CLASS | 2A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 1.380 INCHES NOMINAL STUD THREAD |
| THREAD LENGTH | 2.785 INCHES NOMINAL NUT THREAD |
| THREAD QUANTITY PER INCH | 11 STUD THREAD |
| THREAD QUANTITY PER INCH | 18 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNC STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| STUD END SHANK DIAMETER | 0.625 INCHES NOMINAL |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE FINISH | 125.0 MICROINCHES OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |