NSN 4820-00-808-6681
Velocity Fuse
About this product
Valve anodized medium gray.
Manufacturer part number P13-262-4 for national stock number 4820008086681.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-808-6681.
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MPN or Model
P13-262-4
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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 1st end -
Thread Direction
Right-hand 1st end -
Flow Control Device
Poppet -
Bonnet Type
Packing retaining -
Disk Loading Method
Spring -
Maximum Operating Temp
212.0 degrees fahrenheit single response -
Connection Style
G42 flared (tube) 1st end -
Valve Operation Method
Automatic -
Connection Type
Threaded external tube 1st end -
Features Provided
Pressure tight outlet side -
Thready Qty Per Inch (tpi)
18 1st end -
Thread Size
0.562 inches 1st end -
Seat Angle
37.0 degrees 1st end -
Opening Pressure Setting
4.0 pounds per square inch -
Outside Diameter Tube Accommodated
0.375 inches 1st end -
Material
Rubber synthetic packing -
Material Specification
Qq-a-225/6 federal specification single material response body -
Media For Which Designed
Oil 2nd response -
Surface Treatment
Anodize -
Surface Treatment Specification
Mil-a-8625, type 1 military specification single treatment response -
Style Designator
Err-090 -
Thread Series Designator
Unf 1st end -
Furnished Items And Quantity
1 gasket
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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 4820-00-808-6681 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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P13-262-4 | Circor Aerospace, Inc. |
HE284-0017-0001 | Rockwell International Corp |
Stock Check
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