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Vacuum Breaking Valve NSN 4820-01-066-9474

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 4820-01-066-9474 NSN: 4820-01-066-9474

  Stock Availability

NSN 4820010669474 availability
(as of 05/19/2021).

  • 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
Brass, qq-b-626, alloy 360, 1/2h
Body Style
Single connection, straight flow
Tempurature Rating
225.0 degrees fahrenheit
Media For Which Designed
Any acceptable
First End Connection Type
Threaded external pipe
First End Style Designator
Plain
First End Pipe Size Accommodated
0.250 inches
First End Thread Size And Series/type Designator
0.250-18 npt
First End Thread Direction
Right-hand
Flow Control Device
Cone
Flow Control Device Material
Brass, qq-b-626, alloy 360, 1/2h
End Connection Quantity
1
Tempurature Adjustability
Not adjustable
Absolute Pressure Setting
0.5
FSC
4820 Nonpowered Valves
NIIN
010669474
NSN
4820010669474

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
P4-262B
Cage Code:
91816
Status:
A
MSDS:
Part Number:
975509-1
Cage Code:
49956
Status:
A
MSDS:
Part Number:
P4-2628
Cage Code:
91816
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 4820-01-066-9474
What are the manufacturers of nsn 4820010669474?
Does this nsn 4820010669474 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010669474
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 4820010669474 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010669474 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010669474?
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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