| MATERIAL | IRON OVERALL |
| SURFACE TREATMENT | ZINC INSIDE |
| ZINC OUTSIDE |
| MEDIA FOR WHICH DESIGNED | STEAM 1ST RESPONSE |
| WATER-OIL-GAS 2ND RESPONSE |
| MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH 1ST RESPONSE |
| 300.0 POUNDS PER SQUARE INCH 2ND RESPONSE |
| CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |
| THREADED INTERNAL PIPE 2ND END |
| CONNECTION STYLE | PLAIN (PIPE) 1ST END |
| PLAIN (PIPE) 2ND END |
| NOMINAL PIPE SIZE ACCOMMODATED | 4.000 INCHES 1ST END |
| 2.5000 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | NPTF 1ST END |
| ANPT 2ND END |
| NOMINAL THREAD SIZE | 4.000 INCHES 1ST END |
| 2.500 INCHES 2ND END |
| NOMINAL OVERALL LENGTH | 4.375 INCHES |
| REDUCER TYPE | CONCENTRIC |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | WWP521 |