| CRITICALITY CODE JUSTIFICATION | MATT |
| FEATURES PROVIDED | INDIVIDUALLY KEYED |
| FULL INTERNAL THREAD LENGTH | 0.367 INCHES NOMINAL |
| INSERT SIZE | 0.500-13 |
| INTERNAL THREAD RELIEF DEPTH | 0.070 INCHES NOMINAL |
| LENGTH | 0.437 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OVERALL |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| 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 |