| MATERIAL | STEEL OVERALL |
| 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 |
| MAXIMUM OPERATING TEMP | 260.0 DEG FAHRENHEIT 1ST RESPONSE |
| 65.6 DEG FAHRENHEIT 2ND RESPONSE |
| STYLE DESIGNATOR | THREADED INTERNAL |
| CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | PLAIN (PIPE) ALL ENDS |
| THREAD SERIES DESIGNATOR | NPSC ALL ENDS |
| NOMINAL THREAD SIZE | 0.375 INCHES ALL ENDS |
| NOMINAL OVERALL LENGTH | 1.187 INCHES |
| SPECIFICATION/STANDARD DATA | 81348-WW-P-521 GOVERNMENT SPECIFICATION |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | WWP521 |