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NSN 4820-01-134-2803

Velocity Fuse

About this product

Disk flow control device, inside spring bonnet type, bolted bonnet attachment method, connection style: streamlined with one brazing ring (tube) err-100.

Manufacturer part number 20285 for national stock number 4820011342803.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-134-2803.

  • MPN or Model

    20285

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    12.1 lb
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Bolted
  • Maximum Operating Temp
    150.0 degrees fahrenheit single response
  • End Application
    Vehicle, aircraft refueler r-9
  • Connection Style
    Streamlined with one brazing ring (tube) err-100
  • Valve Operation Method
    Automatic
  • Flange Shape
    Round 1st end
  • Connection Type
    Unthreaded internal tube 2nd end
  • Adjustable Pressure Range
    +151.0/+180.0 pounds per square inch
  • Maximum Operating Pressure
    150.0 pounds per square inch single response
  • Outside Diameter
    3.875 inches 1st end
  • Thickness
    0.344 inches 1st end
  • Flange Face Design
    Plain 1st end
  • Outside Diameter Tube Accommodated
    0.750 inches 2nd end
  • Material
    Nickel alloy flow control device
  • Material Specification
    Qq-n-281 federal specification single material response stem
  • Media For Which Designed
    Gas, inert 2nd response
  • Style Designator
    Err-090
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 4820011342803

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
20285 Pentair Valves & Controls Us Lp
20285R51M Pentair Valves & Controls Us Lp
20285 Anderson Greenwood Lp
20285R51M Anderson Greenwood Lp
10347159 Nimikkeistokeskus Ncb Finland
Stock Check
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