NSN 4820-00-006-3987 Fuel Manifold Check Valve

About this product

Valve cracking pressure 20 psi.

Manufacturer part number 493-12B2-20 for national stock number 4820000063987.

Product description

Check Valve NSN 4820-00-006-3987.
MPN or Model

493-12B2-20
Schedule B
8481.30.1090 (Check valves of copper having a pressure rating of 850 kpa or over)
NMF (National Motor Freight)
051080 - Faucets, Bibcocks, Gates Valves
Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
225.0 degrees fahrenheit single response
Connection Style
Gasket seal (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Mounting Position
Horizontal
Thready Qty Per Inch (tpi)
12 all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
1.062 inches all ends
Outside Diameter Tube Accommodated
0.750 inches all ends
Material
Steel comp 304 flow control device and steel comp 303 flow control device
Material Specification
Qq-b-626, alloy 360 federal specification single material response body
Media For Which Designed
Fuel/oil, hydrocarbon 2nd response
Style Designator
Straight thru
Thread Series Designator
Unjf all ends

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MPN manufacturer part number	Registrant or Supplier
493-12B2-20	Parker-hannifin Corporation
493-12B2-20	Teledyne Industries Inc

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NSN 4820-00-006-3987