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Restrictor Check Valve NSN 4820-00-405-4238

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 4820-00-405-4238 NSN: 4820-00-405-4238

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
160.0 degrees fahrenheit single response
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
125.0 pounds per square inch single response
Thread Size
0.500 inches all ends
Material
Copper alloy body
Media For Which Designed
Water, salt single response
Surface Treatment
Nickel
Style Designator
Straight thru
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
004054238
NSN
4820004054238

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
GB2
Cage Code:
18163
Status:
A
MSDS:
Part Number:
11241418-2
Cage Code:
17773
Status:
A
MSDS:
Part Number:
2G
Cage Code:
18163
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481301090
  • NAICS: 332911
  • SITC: 74730
  • Description: Check valves of copper having a pressure rating of 850 kpa or over
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-405-4238
What are the manufacturers of nsn 4820004054238?
Does this nsn 4820004054238 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004054238
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 4820004054238 contain any precious metals?
No precious metal content.
Does nsn 4820004054238 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004054238?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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