| FULL INTERNAL THREAD LENGTH | 1.275 INCHES NOMINAL |
| INSERT SIZE | 1-3/8-12UNF-2A |
| INTERNAL THREAD RELIEF DEPTH | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| LENGTH | 1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 303 OR STEEL COMP 303SE PIN |
| NOMINAL THREAD SIZE | 1.000 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| STYLE DESIGNATOR | KEYLOCK |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE PIN |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.375 INCHES NOMINAL |