| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-1222 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | NICKEL ALLOY 400 |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | COLLAR BOLT |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.500 INCHES STUD THREAD |
| OVERALL LENGTH | 4.875 INCHES MINIMUM AND 4.938 INCHES MAXIMUM |
| SHOULDER DIAMETER | 0.797 INCHES MINIMUM AND 0.813 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.250 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
| SPECIAL FEATURES | ENTNDED END IS 0.312 INCHES (NOM) LONG AND 0.302 INCHES (MIN) AND 0.302 INCHES (MIN) AND 0.322 INCHES (MAX) SQUARE WITH ROUNDED CORNERS |
| STYLE DESIGNATOR | SHOULDERED |
| THREAD CLASS | 2A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 2.750 INCHES MINIMUM STUD THREAD |
| THREAD QUANTITY PER INCH | 13 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNC STUD THREAD |