| COLLAR INSIDE DIAMETER | 0.268 INCHES MINIMUM AND 0.272 INCHES MAXIMUM |
| COLLAR OUTSIDE DIAMETER | 0.418 INCHES MINIMUM AND 0.422 INCHES MAXIMUM |
| COLLAR OVERALL HEIGHT | 0.355 INCHES MINIMUM AND 0.360 INCHES MAXIMUM |
| LUBRICATION | DRY FILM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE COLLAR |
| MATERIAL | IRON ALLOY 660 COLLAR |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE COLLAR |
| SURFACE TREATMENT | PASSIVATE COLLAR |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |