| COLLAR INSIDE DIAMETER | 0.392 INCHES MINIMUM AND 0.398 INCHES MAXIMUM |
| COLLAR OUTSIDE DIAMETER | 0.645 INCHES MINIMUM AND 0.655 INCHES MAXIMUM |
| COLLAR OVERALL HEIGHT | 0.667 INCHES NOMINAL |
| COLLAR STYLE | THREADED (BREAK OFF) TYPE |
| HEAT TREATMENT | T-6 SOLUTION HEAT TREATED OVERALL |
| LUBRICATION | CETYL ALCOHOL |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 1, CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |