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NSN 4820-01-240-4187

Exhaust Retarder

About this product

Weatherproof operator with bronze sector gear for marine service..

Manufacturer part number 911-417 2.5IN for national stock number 4820012404187.

Datasheet

  • Product description

    Butterfly Valve NSN 4820-01-240-4187.

  • MPN or Model

    911-417 2.5IN

  • Schedule B
    8481.80.1090 (Butterfly type taps, cocks and valves of copper, hand operated, having a pressure rating of 850 kpa or over)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Maximum Operating Temp
    180.0 degrees fahrenheit single response
  • End Application
    Model r203-64aa-2km
  • Valve Operation Method
    Manual
  • Mounting Facility
    Wafer
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Butterfly Valve Size
    2.500 inches
  • Material
    Rubber butadiene-acrylonitrile class nbr seat
  • Material Specification
    Qq-n-288 comp a or e federal specification single material response flow control device
  • Media For Which Designed
    Water, salt single response
  • Style Designator
    Err-090
Butterfly Valve

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

Mechanic Bill explains Exhaust Retarder

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NSN 4820012404187

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
911-417 2.5IN Norriseal
911D417 Dover Resources Inc
911-417 Norriseal
2 1/2" R2030-64AA-2KM Nixon Gear Inc
911D417 Norriseal
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