NSN 4820-00-287-3139
Part Details | SAFETY RELIEF VALVE
4820-00-287-3139 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: 1990T12X13650PSI, 1990T-1/2X1-36-50PSI, 1990, 1990T121 3550PSI, 1990T-1/21 35-50PSI, 4820-00-287-3139, 00-287-3139, 4820002873139, 002873139
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-287-3139 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE
Cross Reference | NSN 4820-00-287-3139
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1990T-1/2X1-36-50PSI | 16497 | DRESSER, INC.DBA DRESSER EQUIPMENT GROUP |
| 1990 | 16497 | DRESSER, INC.DBA DRESSER EQUIPMENT GROUP |
| 1990T-1/21 35-50PSI | 16497 | DRESSER, INC.DBA DRESSER EQUIPMENT GROUP |
Technical Data | NSN 4820-00-287-3139
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ANGLE |
| FLOW CONTROL DEVICE | DISK |
| VALVE DISCHARGE FLOW RATE | 93.0 POUNDS PER HOUR |
| VALVE OPERATION METHOD | AUTOMATIC |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 33.0 TO 55.0 POUNDS PER SQUARE INCH |
| MINIMUM OPERATING TEMP | 401.0 DEG FAHRENHEIT |
| SPECIAL FEATURES | W/LIFTING LEVER AND INCONEL SPRING |
| NONDEFINITIVE SPEC/STD DATA | A-1 TYPE AND C CLASS |