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NSN 4820-01-182-0191

Relief Valve

About this product

Steel, federal standard 66, aisi 12l14 body material, straight thru body style, steel, aisi 303s stem material, tempurature rating: 250.0 degrees fahrenheit.

Manufacturer part number 6581-3/4S2-2 for national stock number 4820011820191.

Datasheet

  • Product description

    Pressure And Temperature Relief Valve NSN 4820-01-182-0191.

  • MPN or Model

    6581-3/4S2-2

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    110 lb
  • Body Material
    Steel, federal standard 66, aisi 12l14
  • Body Style
    Straight thru
  • Stem Material
    Steel, aisi 303s
  • Tempurature Rating
    250.0 degrees fahrenheit
  • Seat Material
    Steel, federal standard 66, aisi/sae 4140
  • Flow Control Device
    Poppet
  • Flow Control Device Material
    Steel, federal standard 66, aisi/sae 4140
Pressure And Temperature Relief Valve

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

Mechanic Bill explains Relief Valve

Pricing and Availability

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NSN 4820011820191

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
6581-3/4S2-2 Parker-hannifin Corporation
6543D057-1 Indal Technologies Inc
6581-3/4S2-2 Teledyne Industries Inc
65856-0102-1000 Teledyne Industries Inc
Stock Check
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