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Gaseou Pressure Equalizing Valve NSN 4820-01-015-3439

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 4820-01-015-3439 NSN: 4820-01-015-3439

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Features and Characteristics

Body Material
Aluminum alloy
Outside Surface Treatment
Anodized
Body Style
Single connection, straight flow
Media For Which Designed
Air
First End Connection Type
Threaded external boss
First End Style Designator
Plain
First End Thread Class
2a
First End Thread Direction
Right-hand
Second End Relationship With First End
Identical
Flow Control Device
Poppet
Flow Control Device Material
Aluminum alloy
End Connection Quantity
1
Disk Loading Method
Spring
Valve Venting Design Type
Atmospheric
Valve Relief Design Type
Pressure
FSC
4820 Nonpowered Valves
NIIN
010153439
NSN
4820010153439

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CV99-9
Cage Code:
91816
Status:
A
MSDS:
Part Number:
ST7M350-1A
Cage Code:
76301
Status:
A
MSDS:
Part Number:
ST7M350
Cage Code:
76301
Status:
A
MSDS:
Part Number:
35C-1A
Cage Code:
91511
Status:
A
MSDS:
Part Number:
VEAAL00001-35
Cage Code:
91511
Status:
A
MSDS:
Part Number:
10109268
Cage Code:
A486G
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 4820-01-015-3439
What are the manufacturers of nsn 4820010153439?
Does this nsn 4820010153439 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010153439
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 4820010153439 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010153439 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010153439?
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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