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Vent-check Valve NSN 4820-01-535-8753

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 4820-01-535-8753 NSN: 4820-01-535-8753

Features and Characteristics

Thread Direction
Right-hand 2nd end
Flow Control Device
Ball
Bolt Hole Quantity
3 1st end
End Application
Vent-flame arrestor
Connection Style
Plain, optional end (pipe) 1st end
Valve Operation Method
Automatic
Flange Shape
Round with holes 1st end
Connection Type
Threaded internal pipe 2nd end
Valve Size
2.500 inches
Thread Size
2.500 inches 2nd end
Outside Diameter
6.110 inches 1st end
Bolt Circle Diameter
0.250 inches 1st end
Part Name Assigned By Controlling Agency
Inverted vent check valve 2.5" threaded
Material
Copper alloy body
Style Designator
Straight thru
Thread Series Designator
Npt 2nd end
Furnished Items And Quantity
1 filter screen and 1 float and 1 cap
FSC
4820 Nonpowered Valves
NIIN
015358753
NSN
4820015358753

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2.5-1700TBC
Cage Code:
79128
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4820-01-535-8753
What are the manufacturers of nsn 4820015358753?
Does this nsn 4820015358753 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015358753
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 4820015358753 contain any precious metals?
No precious metal content.
Does nsn 4820015358753 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015358753?
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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