NSN 4820-01-343-0439
Part Details | PRESSURE AND TEMPERATURE RELIEF VALVE
4820-01-343-0439 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.
Alternate Parts: 84565561721L1, 845-6556172-1L1, 8456556172 ITEM 1L1, 845-6556172 ITEM 1L1, 84565561721, 845-6556172-1, 8456556172 ITEM 1, 845-6556172 ITEM 1, 4820-01-343-0439, 01-343-0439, 4820013430439, 013430439
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | AUG 04, 1991 | 01-343-0439 | 16996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-343-0439
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 845-6556172-1L1 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 845-6556172 ITEM 1L1 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
| 845-6556172-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 845-6556172 ITEM 1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 4820-01-343-0439
| Characteristic | Specifications |
|---|---|
| SEAT MATERIAL | COPPER ALLOY |
| FLOW CONTROL DEVICE | V ANY ACCEPTABLE |
| FLOW CONTROL DEVICE MATERIAL | COPPER ALLOY |
| MEDIA FOR WHICH DESIGNED | WATER, SALT |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| CRITICALITY CODE JUSTIFICATION | ZZZY |