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NSN 4820-01-118-3893

Drain Valve

About this product

With flanged tailpiece,1.281 in. Thk flange,6.375 in. Dia,with five 0.812 in. Dia bolt holes equally spaced on a 4.750 in. Dia bolt circle and spotfaced 1.500 in. Dia to a thk of 1.250.

Manufacturer part number 2640-645ASSYA 2IN for national stock number 4820011183893.

Datasheet

  • Product description

    Ball Valve NSN 4820-01-118-3893.

  • MPN or Model

    2640-645ASSYA 2IN

  • Schedule B
    8481.80.5090 (Taps, cocks, valves and similar appliances, nesoi, hand operated, of materials other than copper, iron or steel)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    50 lb
  • Bolt Hole Quantity
    6 all ends
  • Valve Operation Method
    Manual
  • Flange Shape
    Round with holes all ends
  • Connection Type
    Flange all ends
  • Maximum Operating Pressure
    650.0 pounds per square inch single response
  • Outside Diameter
    5.562 inches all ends
  • Thickness
    0.812 inches all ends
  • Bolt Hole Diameter
    1.688 inches all ends
  • Bolt Circle Diameter
    4.438 inches all ends
  • Flange Face Design
    Plain all ends
  • Material
    Plastic polyamide seat
  • Material Specification
    Qq-n-281 federal specification single material response flow control device
  • Media For Which Designed
    Water, salt single response
  • Style Designator
    Err-090
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Ball Valve

A multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes valve, check.

Mechanic Bill explains Drain Valve

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NSN 4820011183893

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2640-645ASSYA 2IN Electric Boat Corporation
SS845-2109889 Naval Ship Systems Command
2640-645 Electric Boat Corporation
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