NSN 4820-00-412-4291
Velocity Fuse
About this product
Poppet flow control device, inside spring bonnet type, integral bonnet attachment method, disk loading method: spring.
Manufacturer part number D520A4D125 for national stock number 4820004124291.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-412-4291.
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MPN or Model
D520A4D125
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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
Inside spring -
Bonnet Attachment Method
Integral -
Disk Loading Method
Spring -
Maximum Operating Temp
400.0 degrees fahrenheit single response -
Minimum Operating Temp
-100.0 degrees fahrenheit -
Connection Style
Flared (tube) all ends -
Valve Operation Method
Automatic -
Connection Type
Threaded external tube all ends -
Features Provided
Pressure tight outlet side -
Thready Qty Per Inch (tpi)
20 1st end -
Adjustable Pressure Range
+60.0/+150.0 pounds per square inch -
Maximum Operating Pressure
200.0 pounds per square inch single response -
Thread Size
0.437 inches 1st end -
Seat Angle
37.0 degrees all ends -
Opening Pressure Setting
125.0 pounds per square inch -
Outside Diameter Tube Accommodated
0.250 inches 1st end -
Material
Plastic polytetrafluoroethylene seat -
Media For Which Designed
Water-oil-gas single response -
Surface Treatment
Anodize -
Surface Treatment Specification
Mil-a-86251 military specification single treatment response -
Style Designator
Straight through w/baffle -
Thread Series Designator
Unjf all ends -
Furnished Items And Quantity
1 deflector cap
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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.
Pricing and Availability
Get a quote for 4820-00-412-4291 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
D520A4D125 | Circor Aerospace, Inc. |
GV500KF4D125D | Northrop Grumman Systems Corporation |
Stock Check
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