Product Details | SAFETY RELIEF VALVE

4820-00-995-0815 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.

Part Alternates: 83, 4820-00-995-0815, 00-995-0815, 4820009950815, 009950815

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 04 APR 1967 00-995-0815

Drawings & Photos | NSN 4820-00-995-0815


Cross Reference | NSN 4820-00-995-0815

Part Number Cage Code Manufacturer
83 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY

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Technical Data | NSN 4820-00-995-0815

Characteristic Specifications
MATERIAL COPPER ALLOY BODY COPPER ALLOY SEAT STEEL STEM
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE 1ST END THREADED EXTERNAL PIPE 2ND END
CONNECTION STYLE G9 PLAIN 1ST END G46B PLAIN 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 4.000 INCHES 1ST END 3.000 INCHES 2ND END
THREAD SERIES DESIGNATOR NPT 1ST END NPT 2ND END
NOMINAL THREAD SIZE 4.000 INCHES 1ST END 3.000 INCHES 2ND END
THREAD QUANTITY PER INCH 8 1ST END 8 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD THREADED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 150.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-00-995-0815

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information