NATO Stock Number
4820-01-134-2803
Sold in multiples of
1 EA
DEMIL
NO
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Maximum Operating Temp
150.0 degrees fahrenheit single response
End Application
Vehicle, aircraft refueler r-9
Valve Operation Method
Automatic
Flange Shape
Round 1st end
Connection Type
Flange 1st end
Connection Type
Unthreaded internal tube 2nd end
Adjustable Pressure Range
+151.0/+180.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
3.875 inches 1st end
Thickness
0.344 inches 1st end
Flange Face Design
Plain 1st end
Outside Diameter Tube Accommodated
0.750 inches 2nd end
Material
Copper alloy body
Material
Nickel alloy seat
Material
Nickel alloy stem
Material
Nickel alloy flow control device
Material Specification
Qq-c-390, alloy d4/d/ federal specification single material response body
Material Specification
Qq-n-281 federal specification single material response flow control device
Material Specification
Qq-n-281 federal specification single material response seat
Material Specification
Qq-n-281 federal specification single material response stem
Media For Which Designed
Air 1st response
Media For Which Designed
Gas, inert 2nd response