Vacuum Breaking Valve NSN 4820-00-138-3750

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: 4820-00-138-3750

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Features and Characteristics

Body Material

Bronze

Body Style

Single connection, straight flow

Stem Material

Bronze

First End Connection Type

Threaded external pipe

First End Style Designator

Plain

First End Pipe Size Accommodated

1.500 inches

First End Thread Direction

Right-hand

Seat Material

Bronze

Flow Control Device

Diaphragm

Flow Control Device Material

Any acceptable

End Connection Quantity

Tempurature Adjustability

Not adjustable

FSC

4820 Nonpowered Valves

NIIN

001383750

NSN

4820001383750

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

28544-1 1-2

Cage Code:

51729

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 4820-00-138-3750

What are the manufacturers of nsn 4820001383750?

Dresser, Inc. (51729)

Does this nsn 4820001383750 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820001383750
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 4820001383750 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820001383750 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820001383750?
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