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NSN 4820-01-497-9472

Air Pressure Relief Valve

About this product

0.500 inches all ends pipe size accommodated, socket err-100 connection style, unthreaded internal pipe all ends connection type, maximum operating pressure: 3000.0 pounds per square inch single response.

Manufacturer part number 803-7069114 ASSY. A139 for national stock number 4820014979472.

Datasheet

  • Product description

    Vent Valve NSN 4820-01-497-9472.

  • MPN or Model

    803-7069114 ASSY. A139

  • Schedule B
    8481.80.9050 (Other taps, cocks, valves, etc., nesoi)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Pipe Size Accommodated
    0.500 inches all ends
  • End Application
    E/i: valve vent w/s: los ang.Class ss (688)
  • Connection Style
    Socket err-100
  • Connection Type
    Unthreaded internal pipe all ends
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Part Name Assigned By Controlling Agency
    Valve assembly.Vent/drain
  • Material
    Steel comp 304 body
  • Media For Which Designed
    Oil, hydraulic single response
  • Style Designator
    Err-090
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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 4820014979472

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
803-7069114 ASSY. A139 Naval Sea Systems Command
2621-827-05 ASSY.A139 Electric Boat Corporation
2621-827-05 Electric Boat Corporation
803-7069114 Naval Ship Systems Command
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