| STYLE DESIGNATOR | OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL) |
| MATERIAL | IRON CAST UNS F22400 OR |
| IRON CAST UNS F22200 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-I-666, GRADE 1 FED SPEC 1ST MATERIAL RESPONSE AND |
| QQ-I-666, GRADE 2 FED SPEC 2ND MATERIAL RESPONSE |
| EXTERNAL THREAD SIZE | 5 IN.-8 |
| EXTERNAL SCREW THREAD SERIES DESIGNATOR | NPT |
| EXTERNAL THREAD DIRECTION | RIGHT-HAND |
| INTERNAL THREAD SIZE | 4 IN.-8 |
| INTERNAL SCREW THREAD SERIES DESIGNATOR | NPT |
| INTERNAL THREAD DIRECTION | RIGHT-HAND |
| SURFACE TREATMENT | ZINC |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND |
| C STYLE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | WWP471 |