Vacuum Breaking Valve NSN 4820-00-563-7721

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: 4820-00-563-7721

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Features and Characteristics

Body Material

Steel, corrosion resisting, qq-s-763, cl 316, cond b

Outside Surface Treatment

Any acceptable

Body Style

Single connection, straight flow

Tempurature Rating

300.0 degrees fahrenheit

Media For Which Designed

Air

First End Connection Type

Threaded external tube

First End Style Designator

Flared

First End Outside Diameter Tube Accommodated

0.750 inches

First End Thread Size And Series/type Designator

1.062-12 un

First End Thread Class

First End Thread Direction

Right-hand

Seat Material

Any acceptable

First End Seat Angle In Deg

37.0

Flow Control Device

Poppet

Flow Control Device Material

Any acceptable

End Connection Quantity

Tempurature Adjustability

Not adjustable

Absolute Pressure Setting

Not rated

Absolute Pressure Range

Not rated

FSC

4820 Nonpowered Valves

NIIN

005637721

NSN

4820005637721

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

8821-1

Cage Code:

98087

Status:

MSDS:

Part Number:

515930-2

Cage Code:

80020

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 4820-00-563-7721

What are the manufacturers of nsn 4820005637721?

Itt Corporation (98087)
Naval Air Warfare Center Aircraft (80020)

Does this nsn 4820005637721 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820005637721
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 4820005637721 contain any precious metals?
No precious metal content.

Does nsn 4820005637721 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820005637721?
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
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