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Restrictor Check Valve NSN 4820-00-080-3858

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 4820-00-080-3858 NSN: 4820-00-080-3858

Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand all ends
Aperture Diameter
1.250 inches
Flow Control Device
Poppet
Maximum Operating Temp
200.0 degrees fahrenheit single response
Connection Style
Plain, optional end (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
16 2nd end
Maximum Operating Pressure
5000.0 pounds per square inch single response
Thread Size
0.750 inches 2nd end
Material
Copper alloy
Media For Which Designed
Hydraulic fluid, mineral base single response
Style Designator
Straight thru
Thread Series Designator
Unj 2nd end
FSC
4820 Nonpowered Valves
NIIN
000803858
NSN
4820000803858

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FF3-NKP0-04S-4GPM
Cage Code:
10129
Status:
A
MSDS:
Part Number:
1429-8SAE4GPM
Cage Code:
10129
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 4820-00-080-3858
What are the manufacturers of nsn 4820000803858?
Does this nsn 4820000803858 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820000803858
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 4820000803858 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820000803858 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820000803858?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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