NSN 4820-00-504-2642
Velocity Fuse
About this product
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Manufacturer part number 559T-2M-16 for national stock number 4820005042642.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-504-2642.
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MPN or Model
559T-2M-16
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Thread Direction
Right-hand all ends -
Flow Control Device
Poppet -
Maximum Operating Temp
-40.0 degrees fahrenheit 1st response250.0 degrees fahrenheit 2nd response -
Connection Style
Plain (pipe) 1st endplain, optional en (pipe) 2nd end -
Valve Operation Method
Automatic -
Connection Type
Threaded external pipe 1st endthreaded internal pipe 2nd end -
Maximum Operating Pressure
200.0 pounds per square inch single response -
Thread Size
0.250 inches all ends -
Opening Pressure Setting
16.0 pounds per square inch -
Material
Steel comp 303 bodyrubber butadiene-acrylonitrile class nbr seat -
Media For Which Designed
Air 1st responseacetylene 2nd responseammonia, gaseous 3rd responserefrigerant 12 4th responsehydrogen 5th response -
Style Designator
Straight through note: to be used for valve bodies of one section only. -
Thread Series Designator
Npt all ends
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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 4820-00-504-2642 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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559T-2M-16 | Circor Aerospace, Inc. |
Stock Check
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