NSN 4820-00-083-1263
Part Details | SAFETY RELIEF VALVE
4820-00-083-1263 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: A90293, 128SCH1361, 128SCH136-1, 4820-00-083-1263, 00-083-1263, 4820000831263, 000831263
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JAN 01, 1963 | 00-083-1263 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU

Cross Reference | NSN 4820-00-083-1263
Part Number | Cage Code | Manufacturer |
---|---|---|
A90293 | 81982 | HYDRO-AIRE, INC. |
128SCH136-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
Technical Data | NSN 4820-00-083-1263
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | STRAIGHT THRU |
FLOW CONTROL DEVICE | DISK |
VALVE DISCHARGE FLOW RATE | 2.5 GALLONS PER MINUTE |
VALVE OPERATION METHOD | AUTOMATIC |
BONNET TYPE | PACKING RETAINING |
DISK LOADING METHOD | SPRING |
OPENING PRESSURE SETTING | 3650.0 POUNDS PER SQUARE INCH |
FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |