| FULL INTERNAL THREAD LENGTH | 0.405 INCHES MINIMUM AND 0.455 INCHES MAXIMUM |
| INSERT SIZE | 0.5625-12 UNC 2A |
| INTERNAL THREAD RELIEF DEPTH | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| LENGTH | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| STYLE DESIGNATOR | GROOVED KEYLOCK |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.430 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |