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NSN 4820-00-955-5968

Velocity Fuse

About this product

Disk flow control device, spring disk loading method, 45.0 gallons per minute valve discharge flow rate, connection style: g4 gasket sea (boss) 2nd end.

Manufacturer part number 68A4C578-1 for national stock number 4820009555968.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-955-5968.

  • MPN or Model

    68A4C578-1

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    1.8 lb
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Disk
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    45.0 gallons per minute
  • End Application
    Grummin aerospace a10 aircraft
  • Connection Style
    G4 gasket sea (boss) 2nd end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal boss 2nd end
  • Features Provided
    Pressure tight outlet side
  • Thready Qty Per Inch (tpi)
    12 2nd end
  • Maximum Operating Pressure
    1000.0 pounds per square inch single response
  • Thread Size
    1.875 inches 2nd end
  • Seat Angle
    37.0 degrees 1st end
  • Opening Pressure Setting
    50.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    1.500 inches 1st end
  • Material
    Steel
  • Style Designator
    Err-090
  • Thread Series Designator
    Un 2nd end
More from these suppliers
Safety Relief Valve

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Mechanic Bill explains Velocity Fuse

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NSN 4820009555968

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
68A4C578-1 Naval Air Systems Command
A361-144B Jaidinger Mfg. Co., Inc.
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