NSN 4820-00-288-0659 Restrictor Valve

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Restrictor Check Valves
4820-00-288-0659

About this product

Poppet flow control device, automatic valve operation method, horizontal or vertical mounting position, maximum operating pressure: 3000.0 pounds per square inch single response.

Manufacturer part number 4R121-121 for national stock number 4820002880659.

Datasheet

Product description

Restrictor Check Valve NSN 4820-00-288-0659.
MPN or Model

4R121-121
Schedule B
8481.30.2090 (Check valves of steel)
NMF (National Motor Freight)
051080 - Faucets, Bibcocks, Gates Valves
Unit Weight (Est.)
0.4 lb
Flow Control Device
Poppet
Maximum Operating Temp
265.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
3000.0 pounds per square inch single response
Material
Stainless steel
Media For Which Designed
Hydraulic fluid, petroleum base single response
Style Designator
Straight thru

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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.

Pricing and Availability

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Manufacturer Part Numbers and Alternates

MPN manufacturer part number	Registrant or Supplier
4R121-121	Allen Aircraft Products Inc
749831-121	Lockheed Martin Corporation

Stock Check

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