Vacuum Breaking Valve NSN 4820-01-643-9412

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: 4820-01-643-9412

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Features and Characteristics

Body Material

Brass

Body Style

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

Tempurature Rating

180.0 degrees fahrenheit

Media For Which Designed

Water, fresh

First End Connection Type

Threaded internal pipe

First End Pipe Size Accommodated

0.500 inches

Flow Control Device

Disk, top guided

End Application

Valve, pressure

Part Name Assigned By Controlling Agency

Anti-sphon vacuum breaker

FSC

4820 Nonpowered Valves

NIIN

016439412

NSN

4820016439412

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

0792038

Cage Code:

79227

Status:

MSDS:

Part Number:

1/2 LF288A

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 4820-01-643-9412

What are the manufacturers of nsn 4820016439412?

Watts Regulator Co (79227)

Does this nsn 4820016439412 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820016439412
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 4820016439412 contain any precious metals?
No precious metal content.

Does nsn 4820016439412 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820016439412?
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