| DISTANCE ACROSS FLATS | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 303 |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.138 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.138 INCHES STUD THREAD |
| OVERALL LENGTH | 0.911 INCHES NOMINAL |
| SHOULDER LENGTH | 0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A NUT THREAD |
| THREAD CLASS | 2A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.360 INCHES MINIMUM NUT THREAD AND 0.390 INCHES MAXIMUM NUT THREAD |
| THREAD LENGTH | 0.360 INCHES MINIMUM STUD THREAD AND 0.390 INCHES MAXIMUM STUD THREAD |
| THREAD QUANTITY PER INCH | 32 NUT THREAD |
| THREAD QUANTITY PER INCH | 32 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNC NUT THREAD |
| THREAD SERIES DESIGNATOR | UNC STUD THREAD |