NATO Stock Number
4820-01-278-5417
Sold in multiples of
1 EA
DEMIL
NO
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Union
Maximum Operating Temp
550.0 degrees fahrenheit single response
Connection Style
G9 plain, optional en (pipe) all ends
Valve Operation Method
Manual
Connection Type
Threaded internal pipe all ends
Features Provided
Bonnet packing
Maximum Operating Pressure
200.0 pounds per square inch 1st response
Maximum Operating Pressure
400.0 pounds per square inch 2nd response
Thread Size
0.500 inches all ends
Material
Copper alloy stem
Material
Copper alloy 922 body
Material
Graphite packing
Material
Steel comp 420 flow control device
Material
Steel comp 420 seat
Material Specification
Astm a-276 type 420 assn standard single material response flow control device
Material Specification
Astm a-276 type 420 assn standard single material response seat
Material Specification
Astm b-61 assn standard single material response body
Material Specification
Astm wpc alloy 69 assn standard single material response stem
Media For Which Designed
Steam 1st response
Media For Which Designed
Water-oil-gas 2nd response
Supplementary Features
This item has been reviewed for asbestos material; the current approved sources; 48422 have indicated their part number contained asbestos prior to 1984, they continue to manufacture the same part number without asbestos material after 1984
Thread Series Designator
Npt all ends
