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Vacuum Breaking Valve NSN 4820-01-226-6021

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 4820-01-226-6021 NSN: 4820-01-226-6021

Features and Characteristics

Body Material
Brass
Body Style
Single connection, straight flow
Stem Material
Steel, corrosion resisting
Media For Which Designed
Water, fresh
First End Connection Type
Threaded internal hose
First End Style Designator
Plain
First End Inside Diameter Hose Accommodated
0.750 inches
First End Thread Direction
Right-hand
Second End Relationship With First End
Not identical
Second End Connection Type
Threaded external hose
Second End Style Designator
Plain
Second End Outside Diameter Hose Accommodated
0.750 inches
Second End Thread Direction
Right-hand
Seat Material
Rubber
Flow Control Device
Disk, circular
Flow Control Device Material
Rubber
End Connection Quantity
2
Tempurature Adjustability
Not adjustable
Special Features
Permits manual draining for freezing conditions
FSC
4820 Nonpowered Valves
NIIN
012266021
NSN
4820012266021

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8279-02-533
Cage Code:
79227
Status:
A
MSDS:
Part Number:
NF8
Cage Code:
79227
Status:
A
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 4820-01-226-6021
What are the manufacturers of nsn 4820012266021?
Does this nsn 4820012266021 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012266021
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 4820012266021 contain any precious metals?
No precious metal content.
Does nsn 4820012266021 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012266021?
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:
AT
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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