Product Details | SAFETY RELIEF VALVE

4820-01-436-9697 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: D524A8D05, D524A8D0-5, 4820-01-436-9697, 01-436-9697, 4820014369697, 014369697

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 02 OCT 1996 01-436-9697

Drawings & Photos | NSN 4820-01-436-9697


Demand History | NSN 4820-01-436-9697

Part Number Request Date QTY Origin
D524A8D05 2010-08-237 4 United Kingdom
4820-01-436-9697 2010-08-232 4 Luxembourg

Cross Reference | NSN 4820-01-436-9697

Part Number Cage Code Manufacturer
D524A8D0-5 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-01-436-9697

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE CARBON DIOXIDE 2ND RESPONSE HELIUM 3RD RESPONSE HYDROGEN 4TH RESPONSE NITROGEN, GASEOUS 5TH RESPONSE
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 400.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE G46A PLAIN 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.500 INCHES 1ST END
OPENING PRESSURE SETTING 0.5 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE 0.5 TO 2.5 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-436-9697

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information