NSN 4820-01-178-2939
Part Details | SAFETY RELIEF VALVE
4820-01-178-2939 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: 2R2934, TE20521, 4820-01-178-2939, 01-178-2939, 4820011782939, 011782939
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAY 03, 1984 | 01-178-2939 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
Cross Reference | NSN 4820-01-178-2939
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2R2934 | 99240 | CRISSAIR, INC.DIV ESCO TECHNOLOGIES |
| TE20521 | 80206 | NAVAL AIR DEVELOPMENT CENTERWARMINSTER |
Technical Data | NSN 4820-01-178-2939
| Characteristic | Specifications |
|---|---|
| SURFACE TREATMENT | ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| FLOW CONTROL DEVICE | POPPET |
| VALVE DISCHARGE FLOW RATE | 1.0 GALLONS PER MINUTE |
| VALVE OPERATION METHOD | AUTOMATIC |
| OPENING PRESSURE SETTING | 120.0 POUNDS PER SQUARE INCH |