NSN 4820-00-068-8991
Part Details | SAFETY RELIEF VALVE
4820-00-068-8991 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: MC1665, 20980, 128SCH1071, 128SCH107-1, 4820-00-068-8991, 00-068-8991, 4820000688991, 000688991
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-068-8991 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
Cross Reference | NSN 4820-00-068-8991
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MC1665 | 76050 | EATON AEROSPACE LLCM C AEROSPACE DIV |
| 20980 | 99643 | EATON CORPORATIONDBA EATON AEROSPACE |
| 128SCH107-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
Technical Data | NSN 4820-00-068-8991
| Characteristic | Specifications |
|---|---|
| SURFACE TREATMENT | ANODIZE |
| STYLE DESIGNATOR | STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| VALVE DISCHARGE FLOW RATE | 4.0 CUBIC FEET PER MINUTE |
| VALVE OPERATION METHOD | AUTOMATIC |
| BONNET TYPE | PACKING RETAINING |
| DISK LOADING METHOD | SPRING |
| ADJUSTABLE PRESSURE RANGE | 49.0 TO 51.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |