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Gaseou Pressure Equalizing Valve NSN 4820-00-199-2392

Item Description

A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude valve, vacuum breaking.

NSN 4820-00-199-2392 NSN: 4820-00-199-2392

Features and Characteristics

Body Material
Aluminum alloy, qq-a-200/3, alloy 2024, t4
Maximum Operating Pressure
15.0 pounds per square inch
Outside Surface Treatment
Anodized
Body Style
Single connection straight thru
Tempurature Rating
-65.0 degrees fahrenheit and 300.0 degrees fahrenheit
Media For Which Designed
Air
First End Connection Type
Threaded external boss
First End Style Designator
Plain
First End Thread Size And Series/type Designator
7/8-20 unef
First End Thread Class
3a
First End Thread Direction
Right-hand
Seat Material
Aluminum alloy, qq-a-200/3, alloy 2024, t4
Flow Control Device
Poppet
Flow Control Device Material
Aluminum alloy, qq-a-200/3, alloy 2024, t4
End Connection Quantity
1
Disk Loading Method
Spring
Opening Pressure Setting
2.0 pounds per square inch
Valve Venting Design Type
Atmospheric
Valve Relief Design Type
Pressure
FSC
4820 Nonpowered Valves
NIIN
001992392
NSN
4820001992392

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
P4-309-1-1
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 4820-00-199-2392
What are the manufacturers of nsn 4820001992392?
Does this nsn 4820001992392 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820001992392
A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. it is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. the center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. it may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. exclude valve, vacuum breaking.
Does nsn 4820001992392 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820001992392 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820001992392?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
10958
FIIG:
A07100
App. Key:
AP
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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