NSN 4820-00-620-5475
Breather Valve
Aluminum alloy body material, 5.0 pounds per square inch maximum operating pressure, anodized outside surface treatment, body style: single connection, straight flow.
Manufacturer part number 568175 for national stock number 4820006205475.
Datasheet
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Product description
Gaseous Products Pressure Equalizing Valve NSN 4820-00-620-5475.
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MPN or Model
568175
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Schedule B
8481.80.9050 (Other taps, cocks, valves, etc., nesoi) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Body Material
Aluminum alloy -
Maximum Operating Pressure
5.0 pounds per square inch -
Outside Surface Treatment
Anodized -
Body Style
Single connection, straight flow -
Tempurature Rating
-65.0 degrees celsius and 85.0 degrees celsius -
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
0.562-18 unf -
First End Thread Class
2a -
First End Thread Direction
Right-hand -
Flow Control Device
Disk, flat, bottom guided -
Flow Control Device Material
Aluminum alloy -
End Connection Quantity
1 -
Disk Loading Method
Spring -
Opening Pressure Setting
2.0 pounds per square inch -
Valve Venting Design Type
Closed system
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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.
![Mechanic Bill explains Breather Valve](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-00-620-5475 gaseous products pressure equalizing valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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568175 | Stewart-warner Corporation |
P7-249-5 | Circor Aerospace, Inc. |
Stock Check
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