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Gaseou Pressure Equalizing Valve NSN 4820-00-984-6507

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 4820-00-984-6507 NSN: 4820-00-984-6507

Features and Characteristics

Body Material
Aluminum alloy
Maximum Operating Pressure
2.0 pounds per square inch
Outside Surface Treatment
Any acceptable
Body Style
Single connection, straight flow
Media For Which Designed
Air
First End Connection Type
Threaded external tube
First End Style Designator
Gasket seal
First End Outside Diameter Tube Accommodated
0.875 inches
First End Thread Class
2a
First End Thread Direction
Right-hand
Second End Relationship With First End
Identical
First End Seat Angle In Deg
37.5
Flow Control Device
Disk, flat
End Connection Quantity
2
Disk Loading Method
Spring
Valve Venting Design Type
Atmospheric
Valve Relief Design Type
Pressure and vacuum
FSC
4820 Nonpowered Valves
NIIN
009846507
NSN
4820009846507

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
P4-309-3.5-3.5SB
Cage Code:
91816
Status:
A
MSDS:
Part Number:
P4-309-3-5-3-5
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 4820-00-984-6507
What are the manufacturers of nsn 4820009846507?
Does this nsn 4820009846507 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009846507
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 4820009846507 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009846507 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009846507?
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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