1-321-802-5889

NSN 4820-01-339-5078

Exhaust Retarder

About this product

Inside screw bonnet type, threaded bonnet attachment method, 12 all ends bolt holes, valve operation method: manual.

Manufacturer part number 12M3011-433A-2TM for national stock number 4820013395078.

Datasheet

  • Product description

    Butterfly Valve NSN 4820-01-339-5078.

  • MPN or Model

    12M3011-433A-2TM

  • Schedule B
    8481.80.3030 (Butterfly type taps, cocks and valves of iron, hand operated)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    120 lb
  • Bonnet Type
    Inside screw
  • Bonnet Attachment Method
    Threaded
  • Bolt Hole Quantity
    12 all ends
  • Valve Operation Method
    Manual
  • Flange Shape
    Round with holes all ends
  • Connection Type
    Flange all ends
  • Valve Size
    12.000 inches
  • Outside Diameter
    19.000 inches all ends
  • Face To Face Distance
    3.000 inches
  • Thickness
    1.250 inches all ends
  • Bolt Hole Diameter
    1.000 inches all ends
  • Bolt Circle Diameter
    17.000 inches all ends
  • Flange Face Design
    Plain all ends
  • Material
    Iron cast bodybronze aluminum flow control devicebronze aluminum seatstainless steel stem
  • 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 4820013395078

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
12M3011-433A-2TM Norriseal
12M3011-433A-2KM Norriseal
M3011-433A-2KM 12IN Norriseal
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