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NSN 4820-01-038-0403

Air Pressure Relief Valve

About this product

Drilled for lockwire.

Manufacturer part number P4-673 for national stock number 4820010380403.

Datasheet

  • Product description

    Vent Valve NSN 4820-01-038-0403.

  • MPN or Model

    P4-673

  • Schedule B
    8481.80.9050 (Other taps, cocks, valves, etc., nesoi)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Connection Style
    G50 external seat for gasket seal (boss) 1st end
  • Connection Type
    Threaded external boss 1st end
  • Thread Size
    0.437 inches 1st end
  • Material
    Rubber synthetic seat
  • Material Specification
    Qq-a-225/6, alloy 2024, t4 federal specification single material response body
  • Media For Which Designed
    Nitrogen, gaseous 2nd response
  • Surface Treatment
    Anodize
  • Surface Treatment Specification
    Mil-a-8625, type 1 military specification single treatment response
  • Style Designator
    Err-090
  • Thread Series Designator
    Unf 1st end
More from these suppliers
Vent Valve

A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see valve (1), safety relief.

Mechanic Bill explains Air Pressure Relief Valve

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NSN 4820010380403

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
P4-673 Circor Aerospace, Inc.
887C051933 Northrop Grumman Systems Corporation
887C051933 L-3 Communications Corporation
887C0511933 L-3 Communications Corporation
051193 L-3 Communications Corporation
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