VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include material: COPPER ALLOY BODY, bonnet_type: INSIDE SPRING, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: STREAMLINED WITH ONE BRAZING RING ALL ENDS, style_designator: ANGLE, operating_pressure: 800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-131-9518, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | COPPER ALLOY BODY |
| bonnet_type | INSIDE SPRING |
| connection_type | UNTHREADED INTERNAL PIPE ALL ENDS |
| connection_style | STREAMLINED WITH ONE BRAZING RING ALL ENDS |
| style_designator | ANGLE |
| operating_pressure | 800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| flow_control_device | DISK |
| maximum_operating_temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| valve_operation_method | AUTOMATIC |
| end_item_identification | STURGEON CLASS SSN(637) |
| bonnet_attachment_method | BOLTED |
| media_for_which_designed | WATER, FRESH SECOND RESPONSE |
| NSN | 4820-01-131-9518 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| NOMINAL PIPE SIZE ACCOMMODATED | 1.500 INCHES ALL ENDS IN |
| VALVE OPERATION METHOD | AUTOMATIC |
| MATERIAL | COPPER ALLOY BODY |
| MATERIAL | NICKEL ALLOY SEAT |
| MAXIMUM OPERATING TEMP | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| CONNECTION STYLE | STREAMLINED WITH ONE BRAZING RING ALL ENDS |
| ADJUSTABLE PRESSURE RANGE | +601.0 TO 660.0 POUNDS PER SQUARE INCH LBS |
| BONNET TYPE | INSIDE SPRING |
| MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE |