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NSN 4820-00-286-7900

Exhaust Retarder

About this product

4.000 inches 1st end pipe size accommodated, manual valve operation method, unthreaded internal pipe 1st end connection type, mounting facility: threaded fastener.

Manufacturer part number 21FSSB for national stock number 4820002867900.

Datasheet

  • Product description

    Butterfly Valve NSN 4820-00-286-7900.

  • MPN or Model

    21FSSB

  • Schedule B
    8481.80.3030 (Butterfly type taps, cocks and valves of iron, hand operated)
  • Pipe Size Accommodated
    4.000 inches 1st end
  • Valve Operation Method
    Manual
  • Connection Type
    Unthreaded internal pipe 1st end
  • Mounting Facility
    Threaded fastener
  • Face To Face Distance
    2.000 inches
  • Material
    Steel stem
  • Material Specification
    Mil-r-15624, cl 3 military specification single material response seat
  • Style Designator
    Straight through flanged ends
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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 4820002867900

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