Vacuum Breaking Valve NSN 4820-01-520-4790

Item Description

An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also valve, vacuum regulating.

NSN: 4820-01-520-4790

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Features and Characteristics

Body Material

Bronze, astm b61

Body Style

Angle give "adqm" and "adqn" only if flanged one or two ends

Tempurature Rating

33.0 degrees fahrenheit

First End Connection Type

Threaded external pipe

First End Style Designator

Plain

Second End Relationship With First End

Identical

Third End Relationship With Preceding Ends

Identical with first end

Flow Control Device

Disk, flat

End Connection Quantity

Tempurature Adjustability

Not adjustable

Part Name Assigned By Controlling Agency

Anti-siphon pressure vacuum breaker

FSC

4820 Nonpowered Valves

NIIN

015204790

NSN

4820015204790

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

800M4-QT .750 IN

Cage Code:

79227

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8481809050
NAICS: 332911
SITC: 74780
Description: Other taps, cocks, valves, etc., nesoi
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-520-4790

What are the manufacturers of nsn 4820015204790?

Watts Regulator Co (79227)

Does this nsn 4820015204790 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820015204790
An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. see also valve, vacuum regulating.

Does nsn 4820015204790 contain any precious metals?
No precious metal content.

Does nsn 4820015204790 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820015204790?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

08101

FIIG:

A07100

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service