| FULL INTERNAL THREAD LENGTH | 0.775 INCHES NOMINAL |
| INSERT SIZE | 1.000-12 UNF 2A |
| INTERNAL THREAD RELIEF DEPTH | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| LENGTH | 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVED KEYLOCK |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |