NSN 4820-00-998-1739
Part Details | SAFETY RELIEF VALVE
4820-00-998-1739 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: P8912, P891-2, 4820-00-998-1739, 00-998-1739, 4820009981739, 009981739
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | NOV 22, 1966 | 00-998-1739 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE
Cross Reference | NSN 4820-00-998-1739
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| P891-2 | 99251 | CARLETON LIFE SUPPORT SYSTEMS INC.DBA COBHAM MISSION SYSTEM |
Technical Data | NSN 4820-00-998-1739
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ANGLE |
| FLOW CONTROL DEVICE | POPPET |
| VALVE OPERATION METHOD | AUTOMATIC |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | THREADED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 1.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE |
| SPECIAL FEATURES | CLEAN FOR OXYGEN |
| CRITICALITY CODE JUSTIFICATION | FEAT |