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Restrictor Check Valve NSN 4820-00-457-1593

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 4820-00-457-1593 NSN: 4820-00-457-1593

Features and Characteristics

Thread Class
2b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Connection Style
Flare (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal tube all ends
Mounting Position
Horizontal or vertical
Thread Size
0.563 inches all ends
Outside Diameter Tube Accommodated
0.375 inches all ends
Material
Steel body
Style Designator
Straight thru
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
004571593
NSN
4820004571593

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
520-11045
Cage Code:
9F512
Status:
A
MSDS:
Part Number:
190LT6-2-5
Cage Code:
09990
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481302090
  • NAICS: 332911
  • SITC: 74730
  • Description: Check valves of steel
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-457-1593
What are the manufacturers of nsn 4820004571593?
Does this nsn 4820004571593 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004571593
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 4820004571593 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820004571593 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004571593?
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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