NSN 4820-01-255-8891
Part Details | SAFETY RELIEF VALVE
4820-01-255-8891 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: AA156291, AA15629-1, DD423S4731, DD423-S47-31, 4820-01-255-8891, 01-255-8891, 4820012558891, 012558891
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAY 30, 1987 | 01-255-8891 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE
Cross Reference | NSN 4820-01-255-8891
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AA15629-1 | 23168 | HAMMEL DAHL INC |
| DD423-S47-31 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-01-255-8891
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | A ANGLE |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.750 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.500 INCHES |
| VALVE SIZE | 2.000 INCHES |
| VALVE OPERATION METHOD | AUTOMATIC |
| OPENING PRESSURE SETTING | 25.0 POUNDS PER SQUARE INCH |