NSN 4820-00-574-5643
Restrictor Valve
About this product
Poppet flow control device, spring disk loading method, gasket seal (boss) 1st end connection style, valve operation method: automatic.
Manufacturer part number A51H9221-3 for national stock number 4820005745643.
Datasheet
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Product description
Restrictor Check Valve NSN 4820-00-574-5643.
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MPN or Model
A51H9221-3
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Schedule B
8481.30.9000 (Check valves of materials other than copper, iron or steel) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Thread Class
3b 1st end -
Thread Direction
Right-hand 1st end -
Flow Control Device
Poppet -
Disk Loading Method
Spring -
Connection Style
Gasket seal (boss) 1st end -
Valve Operation Method
Automatic -
Connection Type
Threaded internal boss 1st end -
Mounting Position
Horizontal or vertical -
Thready Qty Per Inch (tpi)
18 1st end -
Maximum Operating Pressure
3000.0 pounds per square inch single response -
Thread Size
0.562 inches 1st end -
Outside Diameter Tube Accommodated
0.375 inches 1st end -
Material
Aluminum alloy -
Media For Which Designed
Oil, hydraulic single response -
Style Designator
Straight thru -
Test Data Document
26512-a51dcvbh027 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.). -
Thread Series Designator
Unjf 1st end
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Restrictor Check Valve
A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.
![Mechanic Bill explains Restrictor Valve](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-00-574-5643 restrictor check valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
A51H9221-3 | Northrop Grumman Systems Corporation |
6125-4 | Pneudraulics, Inc. |
A51H9221-3 | Northrop Grumman Systems Corporation |
Stock Check
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