Product Details | SAFETY RELIEF VALVE

4820-01-223-2119 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: C1058S2D100R0, D539-2M-100.0, D5392M1000, D599-2M-100.0, D5992M1000, 4820-01-223-2119, 01-223-2119, 4820012232119, 012232119

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 23 DEC 1985 01-223-2119

Demand History | NSN 4820-01-223-2119

Part Number Request Date QTY Origin
4820-01-223-2119 2011-10-286 1 United States
D5992M1000 2011-09-271 1 United States

Cross Reference | NSN 4820-01-223-2119

Part Number Cage Code Manufacturer
C1058S2D100R0 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
D539-2M-100.0 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
D599-2M-100.0 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-01-223-2119

Characteristic Specifications
MATERIAL STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE AND
STYLE DESIGNATOR STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END
CONNECTION STYLE PLAIN (PIPE) 1ST END
NOMINAL PIPE SIZE ACCOMMODATED 0.250 INCHES 1ST END
THREAD SERIES DESIGNATOR NPT 1ST END
NOMINAL THREAD SIZE 0.250 INCHES 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
OPENING PRESSURE SETTING 100.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-223-2119

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