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NSN 4820-00-131-1671

Breather Valve

About this product

Plastic body material, single connection, straight flow body style, nut and washer furnished items, first end connection type: threaded external boss.

Manufacturer part number P4-309 for national stock number 4820001311671.

Datasheet

  • Product description

    Gaseous Products Pressure Equalizing Valve NSN 4820-00-131-1671.

  • MPN or Model

    P4-309

  • Schedule B
    8481.80.9050 (Other taps, cocks, valves, etc., nesoi)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    0.1 lb
  • Body Material
    Plastic
  • Body Style
    Single connection, straight flow
  • Furnished Items
    Nut and washer
  • First End Connection Type
    Threaded external boss
  • First End Style Designator
    External seat for gasket seal
  • First End Thread Class
    2a
  • First End Thread Direction
    Right-hand
  • Flow Control Device
    Any acceptable
  • End Connection Quantity
    1
  • Disk Loading Method
    Spring
  • Valve Venting Design Type
    Atmospheric
  • Valve Relief Design Type
    Pressure
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 4820001311671

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
P4-309 Circor Aerospace, Inc.
10687324 U S Army Aviation And Missile
Stock Check
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