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

Restrictor Check Valve

Model / MPN: 410 1-4 | NSN: 4820-01-013-9721
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
4820-01-013-9721
Sold in multiples of
1 EA
DEMIL
NO
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Renewable Seat Ring Type
Pressed-in
Connection Style
Plain, optional end (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Mounting Position
Horizontal
Maximum Operating Pressure
1000.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Material
Copper alloy 360 body
Material
Rubber butadiene-acrylonitrile class nbr packing
Material
Stainless steel flow control device
Material Specification
Mil-g-1149, type 2, class 5 military specification single material response packing
Material Specification
Qq-b-626, alloy 360 federal specification single material response body
Media For Which Designed
Air 1st response
Media For Which Designed
Butane 2nd response
Media For Which Designed
Fuel/oil, hydrocarbon 3rd response
Media For Which Designed
Helium 4th response
Style Designator
Straight thru
Supplementary Features
Additional flow control device: stem
Thread Series Designator
Npt all ends
Furnished Items And Quantity
1 nut
410 1 Series Parts

Pricing and Availability

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410 1-4 Cross Reference
  • 1-1256-1-1/4IPT
  • 8-1254-4
  • 1656341
  • 1656341
  • 8-1254-4
  • 410-1-4B2
  • 1656341REVD
  • BUWEPSDWG1656341
  • 1-1256-1-1/4IPT
  • 8-1254-4
  • 1656341
  • 1656341
  • 8-1254-4
  • 1656341REVD
  • 410-1-4B2
  • BUWEPSDWG1656341
  • 1-1256-1-1/4IPT
  • 8-1254-4
  • 1656341
  • 1656341
  • 8-1254-4
  • 1656341REVD
  • 410-1-4B2
  • BUWEPSDWG1656341
  • 1-1256-1-1/4IPT
  • 8-1254-4
  • 1656341
  • 1656341
  • 8-1254-4
  • 1656341REVD
  • 410-1-4B2
  • BUWEPSDWG1656341