NSN 4820-00-640-0457
Part Details | SAFETY RELIEF VALVE
4820-00-640-0457 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: S179 3 12IN, S-179 3 1/2IN, 4820-00-640-0457, 00-640-0457, 4820006400457, 006400457
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-640-0457 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE
Cross Reference | NSN 4820-00-640-0457
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| S-179 3 1/2IN | 93591 | PENTAIR VALVES & CONTROLS US LPDIV FLOW CONTROL US HOLDING CORP |
Technical Data | NSN 4820-00-640-0457
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ANGLE |
| FLOW CONTROL DEVICE | DISK |
| RENEWABLE SEAT RING TYPE | THREADED |
| BONNET TYPE | EXPOSED SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 10.0 TO 15.0 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | WITH SIGHT GAGE |