Vacuum Breaking Valve NSN 4820-01-121-7889

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: 4820-01-121-7889

Stock Availability

NSN 4820011217889 availability
(as of 03/02/2023).

NS: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Body Material

Bronze, astm b62

Body Style

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

Tempurature Rating

185.0 degrees fahrenheit

Media For Which Designed

Water, fresh

First End Connection Type

Unthreaded internal pipe

First End Style Designator

Streanlined with one brazing ring

First End Pipe Size Accommodated

0.500 inches

Second End Relationship With First End

Identical

Flow Control Device

Piston, free type

Flow Control Device Material

Brass and rubber, synthetic

End Connection Quantity

Tempurature Adjustability

Not adjustable

FSC

4820 Nonpowered Valves

NIIN

011217889

NSN

4820011217889

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

BMC3479E-1

Cage Code:

23798

Status:

MSDS:

Part Number:

BMC-3479

Cage Code:

23798

Status:

MSDS:

Part Number:

3479

Cage Code:

23798

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 4820-01-121-7889

What are the manufacturers of nsn 4820011217889?

Bidoro Mfg Co (23798)

Does this nsn 4820011217889 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820011217889
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 4820011217889 contain any precious metals?
No precious metal content.

Does nsn 4820011217889 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820011217889?
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