Product Details | SAFETY RELIEF VALVE

4820-01-147-0340 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: 8821-03-1/2-LLP-V, 88210312LLPV, 4820-01-147-0340, 01-147-0340, 4820011470340, 011470340

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 FEB 1983 01-147-0340

Drawings & Photos | NSN 4820-01-147-0340


Cross Reference | NSN 4820-01-147-0340

Part Number Cage Code Manufacturer
8821-03-1/2-LLP-V 50988 DYNEX/RIVETT CORP POWER UNITS AND SYSTEMS

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Technical Data | NSN 4820-01-147-0340

Characteristic Specifications
MATERIAL STEEL FLOW CONTROL DEVICE STEEL SEAT
STYLE DESIGNATOR A29 CROSS W/OFFSET
OFFSET DISTANCE 0.910 INCHES
FLOW CONTROL DEVICE CONE
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 160.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE DISCHARGE FLOW RATE 9.0 GALLONS PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL BOSS 1ST END
CONNECTION STYLE G4 GASKET SEAL 1ST END
THREAD SERIES DESIGNATOR NPTF 1ST END
NOMINAL THREAD SIZE 0.500 INCHES 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
ADJUSTABLE PRESSURE RANGE 20.0 TO 500.0 POUNDS PER SQUARE INCH
MANUFACTURERS CODE 50988
DESIGN CONTROL REFERENCE 8821-03-1/2-LLP-V

Restrictions/Controls & Freight Information | NSN 4820-01-147-0340

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: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.
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 SE San Antonio Air Logistics Center
Kelly AFB, TX 78241-5000
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 Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable