NSN 4820-01-003-7391
Velocity Fuse
About this product
Poppet flow control device, inside spring bonnet type, integral bonnet attachment method, disk loading method: spring.
Manufacturer part number 13U3-7 for national stock number 4820010037391.
Datasheet
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Product description
Safety Relief Valve NSN 4820-01-003-7391.
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MPN or Model
13U3-7
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Unit Weight (Est.)
0.1 lb -
Thread Direction
Right-hand 1st end -
Flow Control Device
Poppet -
Bonnet Type
Inside spring -
Bonnet Attachment Method
Integral -
Disk Loading Method
Spring -
Maximum Operating Temp
280.0 degrees fahrenheit single response -
Connection Style
G46b plain (pipe) 1st end -
Valve Operation Method
Automatic -
Connection Type
Threaded external pipe 1st end -
Maximum Operating Pressure
200.0 pounds per square inch single response -
Thread Size
0.125 inches 1st end -
Opening Pressure Setting
80.0 pounds per square inch -
Material
Aluminum alloy 2024 body -
Material Specification
Qq-a-225/6 federal specification single material response body -
Media For Which Designed
Fuel/oil, hydrocarbon single response -
Surface Treatment
Anodize -
Surface Treatment Specification
Mil-a-8625, type 1 military specification single treatment response -
Style Designator
Err-090 -
Thread Series Designator
Npt 1st end
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Safety Relief Valve
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.
![Mechanic Bill explains Velocity Fuse](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-01-003-7391 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
13U3-7 | Ellis & Watts International, Llc |
D559A-1M80 | Circor Aerospace, Inc. |
D559A-1M80 | Circor Aerospace, Inc. |
13U3-7 | Ellis & Watts International, Llc |
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