NSN 4820-00-555-1221
Part Details | SAFETY RELIEF VALVE
4820-00-555-1221 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: 122738, 1227-3/8, 1227, 4820-00-555-1221, 00-555-1221, 4820005551221, 005551221
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-555-1221 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE
Cross Reference | NSN 4820-00-555-1221
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1227-3/8 | 37239 | LUNKENHEIMER CO |
| 1227 | 37239 | LUNKENHEIMER CO |
Technical Data | NSN 4820-00-555-1221
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ANGLE |
| FLOW CONTROL DEVICE | DISK |
| VALVE DISCHARGE FLOW RATE | 3568.3 POUNDS PER HOUR |
| VALVE OPERATION METHOD | MANUAL |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 75.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 1.0 TO 250.0 POUNDS PER SQUARE INCH |