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Restrictor Check Valve NSN 4820-00-169-7154

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 4820-00-169-7154 NSN: 4820-00-169-7154

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Features and Characteristics

Thread Class
2b 1st end
Thread Direction
Right-hand 1st end
Aperture Diameter
0.020 inches
Flow Control Device
Disk
Disk Loading Method
Spring
Connection Style
Gasket seal (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 1st end
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches 1st end
Material
Aluminum alloy
Style Designator
Straight thru
Thread Series Designator
Unf 2nd end
FSC
4820 Nonpowered Valves
NIIN
001697154
NSN
4820001697154

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1R30412
Cage Code:
26044
Status:
A
MSDS:
Part Number:
1R30412-123
Cage Code:
26044
Status:
A
MSDS:
Part Number:
32-69004-123
Cage Code:
76301
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 4820-00-169-7154
What are the manufacturers of nsn 4820001697154?
Does this nsn 4820001697154 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820001697154
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 4820001697154 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820001697154 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820001697154?
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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