NSN 4820-01-420-3992
Breather Valve
Aluminum body material, 3.5 pounds per square inch maximum operating pressure, single connection straight thru body style, first end connection type: threaded internal pipe.
Manufacturer part number TA770-20-20-R for national stock number 4820014203992.
Datasheet
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Product description
Gaseous Products Pressure Equalizing Valve NSN 4820-01-420-3992.
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MPN or Model
TA770-20-20-R
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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 -
Maximum Operating Pressure
3.5 pounds per square inch -
Body Style
Single connection straight thru -
First End Connection Type
Threaded internal pipe -
First End Style Designator
External seat for gasket seal -
First End Pipe Size Accommodated
2.000 inches -
First End Thread Direction
Right-hand -
Flow Control Device
Disk, flat -
End Connection Quantity
1 -
Valve Venting Design Type
Atmospheric -
Valve Relief Design Type
Pressure and vacuum -
First End Thread Series Designator
Uns -
First End Thread Size
2.000 inches
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 4820-01-420-3992 gaseous products pressure equalizing valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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TA770-20-20-R | Agm Container Controls Inc. |
Stock Check
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