NSN 4820-00-311-7817
Part Details | SAFETY RELIEF VALVE
4820-00-311-7817 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: 72790, A51H90351, A51H9035-1, A51H90351, A51H9035-1, 4820-00-311-7817, 00-311-7817, 4820003117817, 003117817
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | OCT 31, 1973 | 00-311-7817 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU W/BAFFLE

Cross Reference | NSN 4820-00-311-7817
Part Number | Cage Code | Manufacturer |
---|---|---|
72790 | 00500 | ADELPHI MFG CO |
A51H9035-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS |
A51H9035-1 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE |
Technical Data | NSN 4820-00-311-7817
Characteristic | Specifications |
---|---|
SURFACE TREATMENT | ANODIZE |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE |
STYLE DESIGNATOR | STRAIGHT THRU W/BAFFLE |
FLOW CONTROL DEVICE | POPPET |
VALVE DISCHARGE FLOW RATE | 1.2 GALLONS PER MINUTE |
VALVE OPERATION METHOD | AUTOMATIC |
DISK LOADING METHOD | SPRING |
OPENING PRESSURE SETTING | 500.0 POUNDS PER SQUARE INCH |