NSN 4820-00-225-0977
Part Details | SAFETY RELIEF VALVE
4820-00-225-0977 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: 128SCH1311, 128SCH131-1, HP545100, HP545100, 4820-00-225-0977, 00-225-0977, 4820002250977, 002250977
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1961 | 00-225-0977 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
Cross Reference | NSN 4820-00-225-0977
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 128SCH131-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
| HP545100 | 70236 | TACTAIR FLUID CONTROLS, INC. |
| HP545100 | 84685 | TELEDYNE HYDRA-POWERDIV OF TELEDYNE INC |
Technical Data | NSN 4820-00-225-0977
| Characteristic | Specifications |
|---|---|
| SURFACE TREATMENT | ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYLE DESIGNATOR | STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| VALVE DISCHARGE FLOW RATE | 16.0 GALLONS PER MINUTE |
| VALVE OPERATION METHOD | AUTOMATIC |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 80.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |