NSN 4820-00-191-7127 Fuel Manifold Check Valve

About this product

Poppet flow control device, spring disk loading method, flared (tube) all ends connection style, valve operation method: automatic.

Manufacturer part number 249A4TT for national stock number 4820001917127.

Product description

Check Valve NSN 4820-00-191-7127.
MPN or Model

249A4TT
Schedule B
8481.30.9000 (Check valves of materials other than copper, iron or steel)
NMF (National Motor Freight)
051080 - Faucets, Bibcocks, Gates Valves
Unit Weight (Est.)
0.2 lb
Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
Flared (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches all ends
Seat Angle
37.0 degrees all ends
Outside Diameter Tube Accommodated
0.250 inches all ends
Material
Aluminum alloy 2024 body
Material Specification
Qq-a-225/6, alloy 2024, t4 federal specification single material response seat
Media For Which Designed
Ammonia, gaseous 3rd response
Style Designator
Straight thru
Thread Series Designator
Unf all ends

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MPN manufacturer part number	Registrant or Supplier
249A4TT	Circor Aerospace, Inc.
665-0019	Meggitt (troy), Inc.

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NSN 4820-00-191-7127