| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 303 |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| NUT END SHANK DIAMETER | 0.259 INCHES MINIMUM AND 0.261 INCHES MAXIMUM |
| NUT END SHANK LENGTH | 0.219 INCHES NOMINAL |
| OVERALL LENGTH | 4.187 INCHES NOMINAL |
| SHOULDER DIAMETER | 0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |
| SHOULDER LENGTH | 2.935 INCHES MINIMUM AND 2.939 INCHES MAXIMUM |
| SPECIAL FEATURES | SLOT ON SHOULDER 0.281 IN. NOM LG |
| STUD END SHANK DIAMETER | 0.259 INCHES MINIMUM AND 0.261 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 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 | 0.625 INCHES NOMINAL NUT THREAD |
| THREAD LENGTH | 0.625 INCHES NOMINAL STUD THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD |
| THREAD QUANTITY PER INCH | 28 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF STUD THREAD |