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Vent-check Valve NSN 4820-01-556-9533

Item Description

A dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. It acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. It is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover.

NSN 4820-01-556-9533 NSN: 4820-01-556-9533

Features and Characteristics

Bolt Hole Quantity
4 1st end
Valve Operation Method
Automatic
Flange Shape
Round with holes 1st end
Connection Type
Flange 1st end
Special Features
2.0 inch vent valve with flame and protective screens and cover.
Material
Copper alloy body
FSC
4820 Nonpowered Valves
NIIN
015569533
NSN
4820015569533

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2-1660FB
Cage Code:
79128
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4820-01-556-9533
What are the manufacturers of nsn 4820015569533?
Does this nsn 4820015569533 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015569533
A dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. it acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. it is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover.
Does nsn 4820015569533 contain any precious metals?
No precious metal content.
Does nsn 4820015569533 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015569533?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
52995
FIIG:
A530B0
App. Key:
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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