NSN 4820-00-409-0782
Velocity Fuse
About this product
Poppet flow control device, spring disk loading method, gasket sea (boss) 2nd end connection style, valve operation method: automatic.
Manufacturer part number 5177T6TB450 for national stock number 4820004090782.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-409-0782.
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MPN or Model
5177T6TB450
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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 1st end -
Flow Control Device
Poppet -
Disk Loading Method
Spring -
Maximum Operating Temp
250.0 degrees fahrenheit single response -
Connection Style
Gasket sea (boss) 2nd end -
Valve Operation Method
Automatic -
Connection Type
Threaded internal boss 2nd end -
Features Provided
Pressure tight outlet side -
Thready Qty Per Inch (tpi)
18 1st end -
Maximum Operating Pressure
2500.0 pounds per square inch single response -
Thread Size
0.562 inches 2nd end -
Seat Angle
37.0 degrees 1st end -
Opening Pressure Setting
450.0 pounds per square inch -
Outside Diameter Tube Accommodated
0.375 inches 1st end -
Material
Steel comp 303 -
Material Specification
66 federal standard single material response -
Media For Which Designed
Nitrogen, gaseous 3rd response -
Style Designator
Straight through note: to be used for valve bodies of separable sections. -
Thread Series Designator
Unjf 2nd 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 4820-00-409-0782 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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5177T6TB450 | Circor Aerospace, Inc. |
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