Vacuum Breaking Valve NSN 4820-01-520-4811

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: 4820-01-520-4811

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Features and Characteristics

Body Style

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

Tempurature Rating

180.0 degrees fahrenheit

First End Connection Type

Threaded internal pipe

First End Style Designator

Plain

First End Pipe Size Accommodated

1.500 inches

End Connection Quantity

Tempurature Adjustability

Not adjustable

Part Name Assigned By Controlling Agency

Series 188a atmospheric vacuum breaker

FSC

4820 Nonpowered Valves

NIIN

015204811

NSN

4820015204811

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

188A-1-1/2IN

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 4820-01-520-4811

What are the manufacturers of nsn 4820015204811?

Watts Regulator Co (79227)

Does this nsn 4820015204811 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820015204811
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 4820015204811 contain any precious metals?
No precious metal content.

Does nsn 4820015204811 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820015204811?
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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Certificate of Conformance
Quality Inspected Parts
Quality Fast Service