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Vent-check Valve NSN 4820-01-358-8939

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 4820-01-358-8939 NSN: 4820-01-358-8939

Features and Characteristics

Flow Control Device
Ball
Bolt Hole Quantity
4 all ends
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Vertical
Outside Diameter
7.500 inches 1st end
Thickness
0.625 inches all ends
Bolt Hole Diameter
0.625 inches all ends
Bolt Circle Diameter
6.000 inches all ends
Flange Face Design
Plain 1st end
Special Features
Without cover
Material
Copper alloy body
Style Designator
Straight thru
FSC
4820 Nonpowered Valves
NIIN
013588939
NSN
4820013588939

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
52-20F 3 INCH FLG BRZ
Cage Code:
09032
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4820-01-358-8939
What are the manufacturers of nsn 4820013588939?
Does this nsn 4820013588939 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013588939
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 4820013588939 contain any precious metals?
No precious metal content.
Does nsn 4820013588939 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013588939?
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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