NSN 4820-01-265-3957
Part Details | SAFETY RELIEF VALVE
4820-01-265-3957 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: 1980C12INX34IN, 1980C-1/2INX3/4IN, 1982C12INX34IN50PSI, 1982C-1/2INX3/4IN-50PSI, 4820-01-265-3957, 01-265-3957, 4820012653957, 012653957
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 14, 1987 | 01-265-3957 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE
Cross Reference | NSN 4820-01-265-3957
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1980C-1/2INX3/4IN | 38056 | ASHCROFT INC. |
| 1982C-1/2INX3/4IN-50PSI | 16497 | DRESSER, INC.DBA DRESSER EQUIPMENT GROUP |
Technical Data | NSN 4820-01-265-3957
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ANGLE |
| FLOW CONTROL DEVICE | DISK |
| VALVE OPERATION METHOD | AUTOMATIC |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | THREADED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH |