1-321-802-5889

NSN 4820-00-612-3875

Breather Valve

About this product

Adjusting screw-ring w/spanner wrench slot at end of valve 3.38 in. L o/l completely closed,3.75 in. L o/a completely open.

Manufacturer part number 12602B for national stock number 4820006123875.

Datasheet

  • Product description

    Gaseous Products Pressure Equalizing Valve NSN 4820-00-612-3875.

  • MPN or Model

    12602B

  • 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-225/5, alloy 2017, t4
  • Outside Surface Treatment
    Anodized, mil-a-8625
  • Body Style
    Single connection, straight flow
  • Tempurature Rating
    -70.0 degrees fahrenheit and 165.0 degrees fahrenheit
  • Media For Which Designed
    Air and hydrocarbon fuels and oils
  • First End Connection Type
    Threaded external tube
  • First End Style Designator
    Flared
  • First End Outside Diameter Tube Accommodated
    1.000 inches
  • First End Thread Size And Series/type Designator
    1.3125-12 unj
  • First End Thread Class
    3a
  • First End Thread Direction
    Right-hand
  • First End Seat Radius
    Between 0.005 inches and 0.015 inches
  • Flow Control Device
    Poppet
  • Flow Control Device Material
    Aluminum alloy, qq-a-225/5, alloy 2017, t4
  • End Connection Quantity
    1
  • Disk Loading Method
    Spring
  • Valve Venting Design Type
    Atmospheric
  • Valve Relief Design Type
    Pressure and vacuum
More from these suppliers
Gaseous Products Pressure Equalizing Valve

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

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NSN 4820006123875

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
12602B Parker Hannifin Corporation
12602-B1 Parker Hannifin Corporation
6801-007 Parker Hannifin Corporation
572-31 Parker Hannifin Corporation
634131-1 Lockheed Martin Corporation
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