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Restrictor Check Valve NSN 4820-00-052-0306

Item Description

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.

NSN 4820-00-052-0306 NSN: 4820-00-052-0306

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Features and Characteristics

Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Maximum Operating Temp
275.0 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)
12 all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
1.313 inches all ends
Seat Angle
50.0 degrees all ends
Material
Nickel alloy body
Media For Which Designed
Oil, hydraulic single response
Style Designator
Straight thru
Thread Series Designator
Un all ends
FSC
4820 Nonpowered Valves
NIIN
000520306
NSN
4820000520306

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9R2076
Cage Code:
99240
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481309000
  • NAICS: 332911
  • SITC: 74730
  • Description: Check valves of materials other than copper, iron or steel
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-052-0306
What are the manufacturers of nsn 4820000520306?
Does this nsn 4820000520306 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820000520306
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.
Does nsn 4820000520306 contain any precious metals?
No precious metal content.
Does nsn 4820000520306 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820000520306?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
20520
FIIG:
A530B0
App. Key:
Cond. Code:
1
Status:
A

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