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NSN 4820-01-407-2164

Breather Valve

About this product

Zzzy criticality code justification, material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications reference number differentiating characteristics, .

Manufacturer part number ZP20172 for national stock number 4820014072164.

Datasheet

  • Product description

    Gaseous Products Pressure Equalizing Valve NSN 4820-01-407-2164.

  • MPN or Model

    ZP20172

  • Schedule B
    8481.80.9050 (Other taps, cocks, valves, etc., nesoi)
  • Criticality Code Justification
    Zzzy
  • Reference Number Differentiating Characteristics
    Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
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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 4820014072164

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
ZP20172 Zero Manufacturing, Inc.
924J659-10 Bechtel Marine Propulsion
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