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NSN 4820-00-073-1775

Velocity Fuse

About this product

Reverse flow.

Manufacturer part number 1A057-1 for national stock number 4820000731775.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-073-1775.

  • MPN or Model

    1A057-1

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.6 lb
  • Thread Class
    3b 1st end
  • Thread Direction
    Right-hand 1st end
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Pressure seal, ring type
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    1.0 gallons per minute
  • Connection Style
    Gasket sea (boss) 1st end
  • Valve Operation Method
    Manual
  • Connection Type
    Threaded internal boss 1st end
  • Features Provided
    Bonnet packing and pressure tight outlet side
  • Thready Qty Per Inch (tpi)
    20 1st end
  • Adjustable Pressure Range
    +3000.0/+4000.0 pounds per square inch
  • Maximum Operating Pressure
    4000.0 pounds per square inch single response
  • Thread Size
    0.437 inches 1st end
  • Opening Pressure Setting
    4000.0 pounds per square inch
  • Media For Which Designed
    Hydraulic fluid, phosphate-ester base single response
  • Surface Treatment
    Anodize
  • Surface Treatment Specification
    Mil-a-8625, type 2 military specification single treatment response
  • Thread Series Designator
    Unf 1st 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 4820000731775

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1A057-1 Arkwin Industries, Inc.
1A057 Arkwin Industries, Inc.
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