| COLLAR INSIDE DIAMETER | 0.387 INCHES MINIMUM AND 0.393 INCHES MAXIMUM |
| COLLAR OUTSIDE DIAMETER | 0.622 INCHES MINIMUM AND 0.628 INCHES MAXIMUM |
| COLLAR OVERALL HEIGHT | 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM |
| COLLAR STYLE | THREADED (BREAK OFF) TYPE |
| HEAT TREATMENT | T-6 SOLUTION HEAT TREATED OVERALL |
| LUBRICATION | CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |