NSN 4820-00-421-5935
Velocity Fuse
About this product
Poppet flow control device, inside spring bonnet type, threaded bonnet attachment method, disk loading method: spring.
Manufacturer part number 252681 for national stock number 4820004215935.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-421-5935.
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MPN or Model
252681
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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 1st end -
Thread Direction
Right-hand 1st end -
Flow Control Device
Poppet -
Bonnet Type
Inside spring -
Bonnet Attachment Method
Threaded -
Disk Loading Method
Spring -
Valve Discharge Flow Rate
85.0 gallons per minute -
Maximum Operating Temp
160.0 degrees fahrenheit single response -
Connection Style
Gasket sea (boss) 1st end -
Valve Operation Method
Automatic -
Connection Type
Threaded internal boss 1st end -
Thready Qty Per Inch (tpi)
18 1st end -
Maximum Operating Pressure
150.0 pounds per square inch single response -
Thread Size
0.562 inches 1st end -
Outside Diameter Tube Accommodated
0.375 inches 1st end -
Material
Aluminum alloy -
Media For Which Designed
Oil, hydraulic single response -
Special Test Features
Vibration frequency range shall be 5 to 500 hz -
Style Designator
Angle -
Test Data Document
81349-mil-std-202d standard (includes industry or association standards, individual manufactureer standards, etc.). -
Thread Series Designator
Unjf 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 4820-00-421-5935 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
252681 | Raytheon Company |
1241 | Pneudraulics, Inc. |
Stock Check
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