Vacuum Breaking Valve NSN 4820-01-643-9841

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: 4820-01-643-9841

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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

1.250 inches

Flow Control Device

Disk, top guided

End Application

Valve, pressure

Part Name Assigned By Controlling Agency

Hot or cold water anti-siphon vacuum breaker

Special Features

Max working pressure: 125 psi

FSC

4820 Nonpowered Valves

NIIN

016439841

NSN

4820016439841

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

0792041

Cage Code:

79227

Status:

MSDS:

Part Number:

1 1/4 LF288AM2

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 4820-01-643-9841

What are the manufacturers of nsn 4820016439841?

Watts Regulator Co (79227)

Does this nsn 4820016439841 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820016439841
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 4820016439841 contain any precious metals?
No precious metal content.

Does nsn 4820016439841 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820016439841?
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