NSN 4820-00-139-4118
Part Details | SAFETY RELIEF VALVE
4820-00-139-4118 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: 520A8D148, 520A-8D-148, 10233963, 4820-00-139-4118, 00-139-4118, 4820001394118, 001394118
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | SEP 01, 1971 | 00-139-4118 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
Cross Reference | NSN 4820-00-139-4118
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 520A-8D-148 | 91816 | CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS |
| 10233963 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 4820-00-139-4118
| 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 OPERATION METHOD | AUTOMATIC |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 148.0 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | VALVE SIZE 0.500 IN. |