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Vent-check Valve NSN 4820-01-449-5172

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 4820-01-449-5172 NSN: 4820-01-449-5172

Features and Characteristics

Pipe Size Accommodated
2.000 inches 1st end
Flow Control Device
Ball
Disk Loading Method
Weight
End Application
Ticonderoga class cg (47)
Connection Style
Reduced socket with one brazing ring (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe 1st end
Mounting Position
Vertical
Material
Stainless steel seat
Style Designator
Straight through flanged ends
FSC
4820 Nonpowered Valves
NIIN
014495172
NSN
4820014495172

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2-1700SILB REV
Cage Code:
79128
Status:
A
MSDS:
Part Number:
2-1700SILB
Cage Code:
79128
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4820-01-449-5172
What are the manufacturers of nsn 4820014495172?
Does this nsn 4820014495172 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014495172
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 4820014495172 contain any precious metals?
No precious metal content.
Does nsn 4820014495172 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014495172?
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
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