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Vent-check Valve NSN 4820-01-283-1809

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 4820-01-283-1809 NSN: 4820-01-283-1809

Features and Characteristics

Flow Control Device
Ball
Bolt Hole Quantity
8 all ends
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Vertical
Valve Size
5.000 inches
Outside Diameter
10.000 inches all ends
Face To Face Distance
15.375 inches
Flange Face Design
Plain all ends
Material
Stainless steel flow control device
Style Designator
Straight through flanged ends
FSC
4820 Nonpowered Valves
NIIN
012831809
NSN
4820012831809

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
52-95F-5IN
Cage Code:
09032
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 4820-01-283-1809
What are the manufacturers of nsn 4820012831809?
Does this nsn 4820012831809 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012831809
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 4820012831809 contain any precious metals?
No precious metal content.
Does nsn 4820012831809 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012831809?
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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