NSN 4820-00-974-9643
Breather Valve
Aluminum alloy, qq-a-225/6, alloy 2024, t4 body material, anodized and oxide film, mil-c-5541 outside surface treatment, single connection, straight flow body style, furnished items: nut and washer.
Manufacturer part number 8771556-1 for national stock number 4820009749643.
Datasheet
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Product description
Gaseous Products Pressure Equalizing Valve NSN 4820-00-974-9643.
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MPN or Model
8771556-1
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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, qq-a-225/6, alloy 2024, t4 -
Outside Surface Treatment
Anodized and oxide film, mil-c-5541 -
Body Style
Single connection, straight flow -
Furnished Items
Nut and washer -
Media For Which Designed
Air -
First End Connection Type
Threaded external boss -
First End Style Designator
External seat for gasket seal -
First End Thread Direction
Right-hand -
Seat Material
Plastic, polytetrafluoroethylene -
Flow Control Device
Poppet -
End Connection Quantity
1 -
Disk Loading Method
Spring -
Opening Pressure Setting
2.5 pounds per square inch -
Valve Venting Design Type
Atmospheric -
Valve Relief Design Type
Pressure and vacuum
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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.
Pricing and Availability
Get a quote for 4820-00-974-9643 gaseous products pressure equalizing valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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8771556-1 | Lockheed Martin Corp |
TA300-10018965 | Agm Container Controls Inc. |
10018965 | U S Army Aviation And Missile |
TA300-10-10R | Agm Container Controls Inc. |
10018965 | Hi-tech Machining & Engineering, |
433-1960 | Nimikkeistokeskus Ncb Finland |