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Worldwide distributor of NSN parts and consumables located in the USA.

Restrictor Check Valve

Model / MPN: 90873577 | NSN: 4820-00-709-9388
ITAR Registered seal

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.

Product Details
NATO Stock Number
4820-00-709-9388
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Cone
Disk Loading Method
Spring
Maximum Operating Temp
165.0 degrees fahrenheit single response
Connection Style
Flared (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
20 all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.437 inches all ends
Seat Angle
37.0 degrees all ends
Material
Aluminum alloy body
Material
Aluminum alloy flow control device
Material
Aluminum alloy seat
Material
Rubber synthetic packing
Media For Which Designed
Air single response
Style Designator
Straight thru
Thread Series Designator
Unj all ends

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90873577 Cross Reference
  • 820731
  • 873577
  • 873577