NSN 4820-01-186-3821

Air Regulator Valve

About this product

Internal thread mounting facility, manual single stage regulation type, .

Manufacturer part number 322AS199-1 for national stock number 4820011863821.


  • Product description

    Fluid Pressure Regulating Valve NSN 4820-01-186-3821.

  • MPN or Model


  • Schedule B
    8481.80.9015 (Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    6.5 lb
  • Mounting Facility
    Internal thread
  • Regulation Type
    Manual single stage
More from these suppliers
Fluid Pressure Regulating Valve

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

Mechanic Bill explains Air Regulator Valve

Pricing and Availability

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NSN 4820011863821

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
322AS199-1 Naval Air Systems Command
322AS199-1 Metadure Parts & Sales, Inc.
Stock Check
Availability for this item was last checked on 03/16/23. The quantities and conditions available at the time were:
  • SV: 1
  • AR: 1