NSN 4820-00-858-2531
Fuel Manifold Check Valve
About this product
Part of oil tank assembly,engine,used on allison propjet,convair model 580 airplane.
Manufacturer part number 21R3081-5 for national stock number 4820008582531.
Datasheet
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Product description
Check Valve NSN 4820-00-858-2531.
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MPN or Model
21R3081-5
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Schedule B
8481.30.2090 (Check valves of steel) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Unit Weight (Est.)
32 lb -
Thread Class
3b 2nd end -
Thread Direction
Right-hand 1st end -
Flow Control Device
Poppet -
Disk Loading Method
Spring -
Maximum Operating Temp
250.0 degrees fahrenheit single response -
Connection Style
Gasket seal (boss) 2nd end -
Valve Operation Method
Automatic -
Connection Type
Threaded internal boss 2nd end -
Mounting Position
Horizontal or vertical -
Thready Qty Per Inch (tpi)
16 1st end -
Thread Size
0.750 inches 2nd end -
Seat Angle
37.0 degrees 1st end -
Material
Steel comp 416 body -
Material Specification
Qq-s-753 federal specification single material response body -
Media For Which Designed
Air single response -
Surface Treatment
Passivate -
Surface Treatment Specification
Mil-s-5002 military specification single treatment response -
Style Designator
Straight thru -
Thread Series Designator
Unj 1st end
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Check Valve
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
![Mechanic Bill explains Fuel Manifold Check Valve](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-00-858-2531 check valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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21R3081-5 | Saf Industries Llc |
Stock Check
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