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NSN 4820-01-397-5403

Drain Valve

About this product

Weapon system essentail;clean and package for nitrogen service per astm g93.

Manufacturer part number 21-021 for national stock number 4820013975403.

Datasheet

  • Product description

    Ball Valve NSN 4820-01-397-5403.

  • MPN or Model

    21-021

  • Schedule B
    8481.80.1085 (Ball 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
  • Unit Weight (Est.)
    0.6 lb
  • Thread Direction
    Right-hand all ends
  • Maximum Operating Temp
    125.0 degrees fahrenheit single response
  • End Application
    Au/u26u-1 oxygen service unit, ground support equipment for the f/a-18 hornet aircraft
  • Connection Style
    G9 plain, optional en (pipe) all ends
  • Valve Operation Method
    Manual
  • Connection Type
    Threaded internal pipe all ends
  • Mounting Facility
    Panel
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.250 inches all ends
  • Criticality Code Justification
    Feat
  • Material
    Plastic tetrafluoroethylene seat
  • Media For Which Designed
    Nitrogen, gaseous 2nd response
  • Style Designator
    Err-090
  • Thread Series Designator
    Npt all ends
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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 4820013975403

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
21-021 Lance Valves Inc
1828AS115 Naval Air Systems Command
1828AS115-1 Naval Air Systems Command
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