NSN 4820-01-200-8556
Part Details | SAFETY RELIEF VALVE
4820-01-200-8556 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Alternate Parts: 1912DC002MS31RFLA, 1912DC-00-2MS-31-RF-LA, 1900D1912DC 448PSI BBT, 1900D-1912DC 448PSI BBT, 1900D1912DC 44, 1900D-1912DC 44, 1900D, 4820-01-200-8556, 01-200-8556, 4820012008556, 012008556
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | FEB 10, 1985 | 01-200-8556 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4820-01-200-8556
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1912DC-00-2MS-31-RF-LA | 16497 | DRESSER, INC.DBA DRESSER EQUIPMENT GROUP |
| 1900D-1912DC 448PSI BBT | 16497 | DRESSER, INC.DBA DRESSER EQUIPMENT GROUP |
| 1900D-1912DC 44 | 16497 | DRESSER, INC.DBA DRESSER EQUIPMENT GROUP |
| 1900D | 16497 | DRESSER, INC.DBA DRESSER EQUIPMENT GROUP |
Technical Data | NSN 4820-01-200-8556
| Characteristic | Specifications |
|---|---|
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.500 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.125 INCHES |
| VALVE SIZE | 1.000 INCHES |
| FLOW CONTROL DEVICE | DISK |
| VALVE OPERATION METHOD | AUTOMATIC |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 448.0 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | WITH NOZZLE ON INLET END |