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Vent-check Valve NSN 4820-01-134-3545

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 4820-01-134-3545 NSN: 4820-01-134-3545

Features and Characteristics

Pipe Size Accommodated
2.000 inches all ends
Flow Control Device
Ball
Connection Style
Socket (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Mounting Position
Vertical
Special Features
With flame screen
Material
Copper alloy or steel
Style Designator
Straight thru
FSC
4820 Nonpowered Valves
NIIN
011343545
NSN
4820011343545

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
52-20S-2IN
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 4820-01-134-3545
What are the manufacturers of nsn 4820011343545?
Does this nsn 4820011343545 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011343545
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 4820011343545 contain any precious metals?
No precious metal content.
Does nsn 4820011343545 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011343545?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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