NSN 4820-01-099-1676
Velocity Fuse
About this product
Poppet flow control device, g4 gasket sea (boss) 2nd end connection style, automatic valve operation method, connection type: threaded internal boss 2nd end.
Manufacturer part number 5139T-12TB-50 for national stock number 4820010991676.
Datasheet
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Product description
Safety Relief Valve NSN 4820-01-099-1676.
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MPN or Model
5139T-12TB-50
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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 Class
3b 2nd end -
Thread Direction
Right-hand all ends -
Flow Control Device
Poppet -
Maximum Operating Temp
250.0 degrees fahrenheit 2nd response -
Connection Style
G4 gasket sea (boss) 2nd end -
Valve Operation Method
Automatic -
Connection Type
Threaded internal boss 2nd end -
Thready Qty Per Inch (tpi)
12 all ends -
Maximum Operating Pressure
2400.0 pounds per square inch single response -
Thread Size
1.062 inches all ends -
Seat Angle
37.0 degrees 1st end -
Opening Pressure Setting
50.0 pounds per square inch -
Material
Steel comp 303 -
Material Specification
Aisi 303 federal specification single material response -
Media For Which Designed
Fuel/oil, hydrocarbon single response -
Style Designator
Err-090 -
Thread Series Designator
Unj 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 4820-01-099-1676 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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5139T-12TB-50 | Circor Aerospace, Inc. |
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