NSN 4820-01-451-2556
Part Details | SAFETY RELIEF VALVE
4820-01-451-2556 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: 1990C1 X .75 135PSI, 1990C-1 X .75 135PSI, 1990, 4820-01-451-2556, 01-451-2556, 4820014512556, 014512556
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | DEC 10, 1997 | 01-451-2556 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE
Cross Reference | NSN 4820-01-451-2556
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1990C-1 X .75 135PSI | 16497 | DRESSER, INC.DBA DRESSER EQUIPMENT GROUP |
| 1990 | 16497 | DRESSER, INC.DBA DRESSER EQUIPMENT GROUP |
Technical Data | NSN 4820-01-451-2556
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ANGLE |
| FLOW CONTROL DEVICE | DISK |
| VALVE OPERATION METHOD | AUTOMATIC |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 135.0 POUNDS PER SQUARE INCH |
| FURNISHED ITEMS AND QUANTITY | 1 LEVER |
| MINIMUM OPERATING TEMP | -20.0 DEG FAHRENHEIT |
| SPECIAL FEATURES | CARBON STEEL (PHOSPHATED) SRING;ORIFICE AREA 0.110 SQ IN. |
| END ITEM IDENTIFICATION | STRATEGIC SEALIFT CONVERSION SHIPS CLASS |