| EXTERNAL SCREW THREAD SERIES DESIGNATOR | NPT |
| EXTERNAL THREAD DIRECTION | RIGHT-HAND |
| EXTERNAL THREAD SIZE | 3-8 |
| INTERNAL SCREW THREAD SERIES DESIGNATOR | NPT |
| INTERNAL THREAD DIRECTION | RIGHT-HAND |
| INTERNAL THREAD SIZE | 2-1/2-8 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-I-666 GRADE 1 OR 2 FED SPEC ALL MATERIAL RESPONSES |
| MATERIAL | IRON CAST UNS F22200 OR IRON CAST UNS F22400 |
| NONDEFINITIVE SPEC/STD DATA | B TYPE |
| SPECIFICATION/STANDARD DATA | 81348-WW-P-471 GOVERNMENT SPECIFICATION |
| WORKING PRESSURE AND SERVICE TYPE | 150.0 POUNDS PER SQUARE INCH NOMINAL STEAM |
| STYLE DESIGNATOR | OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL) |