NSN 4820-00-491-4994
Part Details | SAFETY RELIEF VALVE
4820-00-491-4994 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: 520T2M20, 520T-2M-20, 5320662, 532066-2, 4820-00-491-4994, 00-491-4994, 4820004914994, 004914994
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUN 13, 1969 | 00-491-4994 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
Cross Reference | NSN 4820-00-491-4994
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 520T-2M-20 | 91816 | CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS |
| 532066-2 | 96214 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 4820-00-491-4994
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| VALVE OPERATION METHOD | AUTOMATIC |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 20.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 0.0 TO 200.0 POUNDS PER SQUARE INCH |