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Vent-check Valve NSN 4820-01-531-7663

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 4820-01-531-7663 NSN: 4820-01-531-7663

Features and Characteristics

Valve Operation Method
Manual
Connection Type
Flange all ends
Valve Size
1.500 inches
Face To Face Distance
6.750 inches
Part Name Assigned By Controlling Agency
1-1/2" 52-95f vent
Special Features
Includes brass flame screen
Material
Steel body
Material Specification
Astm-a216 national specification single material response body
Style Designator
Straight through flanged ends
Furnished Items And Quantity
1 gasket and 1 cover
Nondefinitive Specification/std Data
Wcb grade
FSC
4820 Nonpowered Valves
NIIN
015317663
NSN
4820015317663

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
52-95F 1-1/2IN/34028
Cage Code:
09032
Status:
A
MSDS:
Part Number:
34028
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 4820-01-531-7663
What are the manufacturers of nsn 4820015317663?
Does this nsn 4820015317663 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015317663
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 4820015317663 contain any precious metals?
No precious metal content.
Does nsn 4820015317663 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015317663?
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
  •   Quality Fast Service
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