| 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 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A216 ASSN STD 2ND MATERIAL RESPONSE |
| MATERIAL | IRON CAST UNS F22400 OR STEEL |
| 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 AND 150.0 POUNDS PER SQUARE INCH NOMINAL DRY SATURATED STEAM |
| STYLE DESIGNATOR | OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL) |
| SURFACE TREATMENT | ZINC |