Product Details | SAFETY RELIEF VALVE

4820-00-561-4164 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: 87TC, 4820-00-561-4164, 00-561-4164, 4820005614164, 005614164

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 14 NOV 1974 00-561-4164

Drawings & Photos | NSN 4820-00-561-4164


Cross Reference | NSN 4820-00-561-4164

Part Number Cage Code Manufacturer
87TC 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY

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Technical Data | NSN 4820-00-561-4164

Characteristic Specifications
MATERIAL COPPER ALLOY OVERALL
STYLE DESIGNATOR C1 ANGLE
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED ALCOHOL, ETHYL 1ST RESPONSE GAS, INERT 2ND RESPONSE OXYGEN, GASEOUS 3RD RESPONSE
MAXIMUM OPERATING PRESSURE 300.0 POUNDS PER SQUARE INCH 1ST RESPONSE 300.0 POUNDS PER SQUARE INCH 2ND RESPONSE 300.0 POUNDS PER SQUARE INCH 3RD RESPONSE
MAXIMUM OPERATING TEMP 300.0 DEG FAHRENHEIT 1ST RESPONSE 400.0 DEG FAHRENHEIT 2ND RESPONSE 400.0 DEG FAHRENHEIT 3RD RESPONSE
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 0.750 INCHES 1ST END 0.500 INCHES 2ND END
THREAD DIRECTION RIGHT-HAND 1ST END RIGHT-HAND 2ND END
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 65.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE 15.0 TO 300.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-00-561-4164

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