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NSN 4820-01-454-5006

Relief Valve

About this product

Electrical bonding per mil-b-5087b, temperature range fuel -65 degree f to 300 degree f, temperature range ambient -65 degree f to 300 degree f, pressure rating for operting 0 - 275 psid, proof 550 psid, burst 825 psid, crack 400 psid min at 20 cc/min, reseat 380 psid at 1cc/min max, leakage: external zero, internal 1cc/min max from zero to 380 psid, fluid jp4 or jp5 per mil-t-5624, flow 15 gpm at 460 psid, machined surfaces concentricities .005 tir, threads per mil-s-7742, interna radii .005 - .015, symmetries .010, camphers 45 degrees, overall valve length 3.30 inches, valve diameter 1.50 inches maximum.

Manufacturer part number 56-4900-1 for national stock number 4820014545006.

Datasheet

  • Product description

    Pressure And Temperature Relief Valve NSN 4820-01-454-5006.

  • MPN or Model

    56-4900-1

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • End Connection Quantity
    1
  • Tempurature Adjustability
    Not adjustable
  • End Application
    Preprovisioning support navicp is poe
  • Part Name Assigned By Controlling Agency
    Valve, refief-hot fuel recirc
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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

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NSN 4820014545006

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
56-4900-1 Boeing Company, The
56-4900-1 Sweeney Engineering Corp
56-4900-1 Boeing Company, The
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