NSN 4820-00-287-3021
Part Details | SAFETY RELIEF VALVE
4820-00-287-3021 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: 4820-00-287-3021, 00-287-3021, 4820002873021, 002873021
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JAN 01, 1963 | 00-287-3021 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU

Cross Reference | NSN 4820-00-287-3021
Part Number | Cage Code | Manufacturer |
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Technical Data | NSN 4820-00-287-3021
Characteristic | Specifications |
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STYLE DESIGNATOR | STRAIGHT THRU |
FLOW CONTROL DEVICE | DISK |
VALVE OPERATION METHOD | C$F |
BONNET TYPE | INSIDE SCREW |
BONNET ATTACHMENT METHOD | INTEGRAL |
DISK LOADING METHOD | SPRING |
ADJUSTABLE PRESSURE RANGE | 15.0 TO 25.0 POUNDS PER SQUARE INCH |