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Vent-check Valve NSN 4820-01-446-3693

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 4820-01-446-3693 NSN: 4820-01-446-3693

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Features and Characteristics

Flow Control Device
Ball
Bolt Hole Quantity
8 all ends
End Application
Wasp class lhd
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal
Valve Size
8.000 inches
Outside Diameter
13.500 inches all ends
Face To Face Distance
22.000 inches
Thickness
0.938 inches all ends
Bolt Hole Diameter
0.875 inches all ends
Bolt Circle Diameter
11.750 inches all ends
Flange Face Design
Plain all ends
Special Features
Includes flame barrier shield
Material
Copper alloy body
Style Designator
Straight through flanged ends
FSC
4820 Nonpowered Valves
NIIN
014463693
NSN
4820014463693

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
52-95F 8INBRZ
Cage Code:
09032
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4820-01-446-3693
What are the manufacturers of nsn 4820014463693?
Does this nsn 4820014463693 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014463693
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 4820014463693 contain any precious metals?
No precious metal content.
Does nsn 4820014463693 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014463693?
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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