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

Restrictor Check Valve

Model / MPN: B3050 | NSN: 4820-00-518-1172
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
4820-00-518-1172
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Connection Style
Plain (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 1st end
Thready Qty Per Inch (tpi)
24 2nd end
Thread Size
0.438 inches 2nd end
Thread Size
0.562 inches 1st end
Material
Steel comp 440c flow control device
Material
Steel comp 630 body
Material
Steel comp 630 seat
Material Specification
Ams 5643 assn standard single material response body
Material Specification
Ams 5643 assn standard single material response seat
Material Specification
Qq-s-763 federal specification single material response flow control device
Media For Which Designed
Oil, hydraulic single response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification all treatment responses
Style Designator
Straight thru
Thread Series Designator
Un 1st end
Thread Series Designator
Uns 2nd end
Furnished Items And Quantity
1 filter screen
B3050 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC20T0822 Valve, Restrictor Ch 6 EA 10/28/2019

Pricing and Availability

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B3050 Cross Reference
  • 7M844-5
  • 7M844-5
  • 7M844-5
  • 5590-13
  • 7M844
  • 68-690101-133
  • 5590-133
  • 7M844-5
  • 7M844-5
  • 7M844-5
  • 5590-13
  • 68-690101-133
  • 5590-133
  • 7M844
  • 7M844-5
  • 7M844-5
  • 7M844-5
  • 5590-133
  • 5590-13
  • 68-690101-133
  • 7M844
  • 7M844-5
  • 7M844-5
  • 7M844-5
  • 5590-133
  • 5590-13
  • 68-690101-133
  • 7M844
  • 7M844-5
  • 7M844-5
  • 7M844-5
  • 5590-133
  • 5590-13
  • 68-690101-133
  • 7M844
  • 7M844-5
  • 7M844-5
  • 7M844-5
  • 5590-133
  • 5590-13
  • 68-690101-133
  • 7M844
  • 7M844-5
  • 7M844-5
  • 7M844-5
  • 5590-133
  • 5590-13
  • 68-690101-133
  • 7M844
  • 7M844-5
  • 7M844-5
  • 7M844-5
  • 5590-133
  • 5590-13
  • 68-690101-133
  • 7M844
  • 7M844-5
  • 7M844-5
  • 7M844-5
  • 5590-133
  • 5590-13
  • 68-690101-133
  • 7M844