NSN 4820-00-913-2754
Velocity Fuse
About this product
Pop-off type.
Manufacturer part number 559A-1M-11 for national stock number 4820009132754.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-913-2754.
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MPN or Model
559A-1M-11
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
051080 - Faucets, Bibcocks, Gates Valves -
Unit Weight (Est.)
0.1 lb -
Pipe Size Accommodated
0.125 inches 1st end -
Thread Direction
Right-hand 1st end -
Flow Control Device
Poppet -
Disk Loading Method
Spring -
Maximum Operating Temp
-40.0 degrees fahrenheit 1st response250.0 degrees fahrenheit 2nd response -
Connection Style
G46b plain (pipe) 1st end -
Valve Operation Method
Automatic -
Connection Type
Threaded external pipe 1st end -
Features Provided
Valve stem lock shield and pressure tight outlet side -
Maximum Operating Pressure
200.0 pounds per square inch single response -
Thread Size
0.125 inches 1st end -
Opening Pressure Setting
11.0 pounds per square inch -
Material
Aluminum alloy 2024 body -
Material Specification
Qq-a-225/6, alloy2024, t4 federal specification single material response seat -
Media For Which Designed
Hydrogen 5th response -
Surface Treatment
Anodize -
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 4820-00-913-2754 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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559A-1M-11 | Circor Aerospace, Inc. |
Stock Check
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