Product Details | SAFETY RELIEF VALVE

4820-01-134-9103 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: 524A6D19, 4820-01-134-9103, 01-134-9103, 4820011349103, 011349103

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 13 JUL 1982 01-134-9103

Drawings & Photos | NSN 4820-01-134-9103


Demand History | NSN 4820-01-134-9103

Part Number Request Date QTY Origin
524A6D19 2010-10-300 1 MX

Cross Reference | NSN 4820-01-134-9103

Part Number Cage Code Manufacturer
524A6D19 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-01-134-9103

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY ALUMINUM ALLOY 2024 FLOW CONTROL DEVICE RUBBER SILICONE CLASS Q PACKING ALUMINUM ALLOY 2024 SEAT ALUMINUM ALLOY 2024 STEM
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-250/4,T351 FED SPEC SINGLE MATERIAL RESPONSE BODY QQ-A-250/4,T351 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE AMS 3304 ASSN STD SINGLE MATERIAL RESPONSE PACKING QQ-A-250/4,T351 FED SPEC SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATOR C4 STRAIGHT THRU
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 30.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 400.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL BOSS 1ST END
CONNECTION STYLE G50 EXTERNAL SEAT FOR GASKET SEAL 1ST END
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 19.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES 6TH MEDIA OXYGEN,GASEOUS

Restrictions/Controls & Freight Information | NSN 4820-01-134-9103

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
NMF Description 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating P 77.5
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code YS Saudi Arabia
YT
YV
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable