| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 303 |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD |
| NUT END SHANK DIAMETER | 0.322 INCHES MINIMUM AND 0.324 INCHES MAXIMUM |
| NUT END SHANK LENGTH | 0.188 INCHES NOMINAL |
| OVERALL LENGTH | 4.313 INCHES NOMINAL |
| SHOULDER DIAMETER | 0.438 INCHES NOMINAL |
| SHOULDER LENGTH | 2.935 INCHES MINIMUM AND 2.939 INCHES MAXIMUM |
| SPECIAL FEATURES | SLOT 0.281 IN. NOM LG; 0.438 IN. NOM DIA |
| STUD END SHANK DIAMETER | 0.322 INCHES MINIMUM AND 0.324 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.688 INCHES NOMINAL NUT THREAD |
| THREAD LENGTH | 0.688 INCHES NOMINAL STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |
| THREAD QUANTITY PER INCH | 24 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF STUD THREAD |