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Gaseou Pressure Equalizing Valve NSN 4820-01-397-8585

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 4820-01-397-8585 NSN: 4820-01-397-8585

Features and Characteristics

Body Material
Steel, corrosion resisting
Body Style
Single connection, straight flow
First End Connection Type
Threaded external tube
First End Style Designator
Plain
First End Outside Diameter Tube Accommodated
0.625 inches
First End Thread Direction
Right-hand
Flow Control Device
Poppet
End Connection Quantity
1
Valve Venting Design Type
Atmospheric
Valve Relief Design Type
Vacuum
First End Thread Series Designator
Npt
First End Thread Size
0.875 inches
FSC
4820 Nonpowered Valves
NIIN
013978585
NSN
4820013978585

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
790RPV-0.5-0.1
Cage Code:
98021
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 4820-01-397-8585
What are the manufacturers of nsn 4820013978585?
Does this nsn 4820013978585 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013978585
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 4820013978585 contain any precious metals?
No precious metal content.
Does nsn 4820013978585 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013978585?
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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