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Vent-check Valve NSN 4820-01-572-9954

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 4820-01-572-9954 NSN: 4820-01-572-9954

Features and Characteristics

End Application
Marine support equipment
Part Name Assigned By Controlling Agency
Inverted vent check valve
Special Features
52-20f vents nd50 flanges (s/smetric) 155mm od flat flange, bolting 8 holes diameter on 130mm p.C.D. 316ss cast construction, copper float, stainless screens
Material
Steel comp 316 body
Supplementary Features
Inverted vent check valve; screen 40 mesh flame and 1/4inch square protective
FSC
4820 Nonpowered Valves
NIIN
015729954
NSN
4820015729954

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
020210153L
Cage Code:
09032
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4820-01-572-9954
What are the manufacturers of nsn 4820015729954?
Does this nsn 4820015729954 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015729954
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 4820015729954 contain any precious metals?
No precious metal content.
Does nsn 4820015729954 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015729954?
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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