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

Restrictor Check Valve

Model / MPN: B1038-11 | NSN: 4820-00-161-1638
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
4820-00-161-1638
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a all ends
Thread Direction
Right-hand all ends
Maximum Operating Temp
275.0 degrees fahrenheit single response
Minimum Operating Temp
-65.0 degrees fahrenheit
Connection Style
Flareless all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches 2nd end
Thread Size
0.562 inches 1st end
Seat Angle
12.0 degrees all ends
Material
Aluminum alloy 2024 body
Material
Steel comp 303 flow control device
Media For Which Designed
Hydraulic fluid, petroleum base single response
Surface Treatment
Anodize
Style Designator
Straight thru
Thread Series Designator
Unf all ends
Solicitations
Solicitation Description Qty UOM Close Date
SPE7M116T0786 Valve, Restrictor Ch 2 EA 10/16/2015
SPE7MC18T4224 Valve, Restrictor Ch 7 EA 01/05/2018
SPE7MC19T9719 Valve, Restrictor Ch 6 EA 05/13/2019
SPE7MC19T041Q Valve, Restrictor Ch 3 EA 06/17/2019
SPE7MC20Q0388 Valve, Restrictor Ch 3 EA 03/18/2020

Pricing and Availability

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B1038-11 Cross Reference
  • 2-43928-11
  • 6F2074-11
  • 2-43928-11
  • 6F2074-11
  • 2-43928-11
  • 2-43928-11
  • 6F2074-11
  • 2-43928-11
  • 2-43928-11
  • 6F2074-11
  • 2-43928-11
  • 2-43928-11