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NSN 4820-00-331-0476

Exhaust Retarder

About this product

16 in. End size.

Manufacturer part number 21FSSB for national stock number 4820003310476.

Datasheet

  • Product description

    Butterfly Valve NSN 4820-00-331-0476.

  • MPN or Model

    21FSSB

  • Valve Operation Method
    Manual
  • Material
    Steel stem
  • Material Specification
    Mil-r-15624, cl 3 military specification single material response seat
  • Style Designator
    Straight thru
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 4820003310476

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
21FSSB Crane Co
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