NSN 4820-00-010-1680
Velocity Fuse
About this product
Poppet flow control device, inside spring bonnet type, integral bonnet attachment method, disk loading method: spring.
Manufacturer part number 21C2222-261 for national stock number 4820000101680.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-010-1680.
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MPN or Model
21C2222-261
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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
3a all ends -
Thread Direction
Right-hand all ends -
Flow Control Device
Poppet -
Bonnet Type
Inside spring -
Bonnet Attachment Method
Integral -
Disk Loading Method
Spring -
Maximum Operating Temp
225.0 degrees fahrenheit single response -
Connection Style
Flared (tube) all ends -
Valve Operation Method
Automatic -
Connection Type
Threaded external tube all ends -
Features Provided
Bonnet packing and pressure tight outlet side -
Thready Qty Per Inch (tpi)
16 all ends -
Adjustable Pressure Range
+10.0 to 50.0 pounds per square inch -
Maximum Operating Pressure
50.0 pounds per square inch single response -
Thread Size
0.750 inches all ends -
Seat Angle
37.0 degrees all ends -
Opening Pressure Setting
35.0 pounds per square inch -
Outside Diameter Tube Accommodated
0.500 inches all ends -
Material
Steel comp 416 flow control device -
Material Specification
Fedstd66, aisi416/sae51416 federal standard single material response flow control device -
Media For Which Designed
Water-oil-gas single response -
Surface Treatment
Passivate -
Style Designator
Angle -
Thread Series Designator
Unf all ends -
Furnished Items And Quantity
2 ferrule
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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 4820-00-010-1680 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
21C2222-261 | Janke & Company Inc |
A644XB-2-8-2 | Parker-hannifin Corporation |
21C2222-261 | General Electric Co |
A644X2-8 | Teledyne Industries Inc |
A644XB2-8-2 | Teledyne Industries Inc |
21C2222-261 | General Electric Company |
Stock Check
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