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Fluid Pressure Regulating Valve

NSN: 4820-01-073-1798 | Model: 20026298

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 ga (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.

NSN Properties and Flags
NATO Stock Number
Media For Which Designed
End Connection Quantity
Maximum Inlet Pressure Rating
60.0 pounds per square inch
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7MC21T083G 2021-05-03 PMCMU 74 EA
SPE7MC18Q0446 2018-06-23 PMCMU 200 EA
SPE7M418Q0289 2018-06-12 PMCMD 275 EA
SPE7MC18T5222 2018-02-05 PMCM2 51 EA
SPE7MC18T2609 2017-11-30 PMCMU 48 EA
SPE7MC17TB250 2017-03-03 PLCLD 50 EA
SPE7MC17T5561 2016-12-16 PMCMU 60 EA
SPE7MC17T2462 2016-11-14 PMCMU 46 EA
SPE7MC16T2579 2015-11-16 PMCMU 49 EA
SPE7MC16T1167 2015-10-26 PMCMU 56 EA

Inventory Check

The last inventory check on this NSN was done on 01/24/2023. Due to rapid changes in inventory this may not be the current stock qty.

  • As Removed: 8
  • New: 1
  • Serviceable: 1
  • New Surplus: 29

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 4820-01-073-1798 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • 20026298
  • 40585-1
  • 140220-4
  • 250100-1
  • 4899-1-000
  • C295-3
  • 400208
  • 140220-4
Cage Codes:
  • Wright Controls Integrated Curtiss (CAGE 02250)
  • Futurecraft Corp (CAGE 00255)
  • Meggitt Safety Systems, Inc. (CAGE 45402)
  • Wright Controls Integrated Curtiss (CAGE 0CFU1)
  • Circor Aerospace, Inc. (CAGE 1DRT7)
  • Lockheed Martin Corporation (CAGE 81755)
  • Meggitt Safety Systems, Inc. (CAGE 05167)
  • 4820-01-073-1798 replaces 4820-01-053-2841
Schedule B & Trade:
  • Schedule B: 8481809015 (NAICS 332911)

    Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level

  • SITC: 74780

    Taps, cocks, valves and similar appliances, n.E.S.

  • End Use: 21180

    Industrial machines, other


N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.


U - Precious metal content is unknown


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    127220 - Pressure reg/red/relief valves noi

  • WCC:

    594 - Pumps and parts, (machinery and parts),(less than 35 feet)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LCL:

    P - 77.5

  • LTL:

    P - 77.5

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • SHC:

    Z - Other or no special handling required (sh)

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability
    If condemned or uneconomically repairable , then dispose at direct support (ds) level.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,981.10 to $3,301.83..
Does NSN 4820-01-073-1798 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force, Department Of The Navy, Poland, Israel, Singapore, Belgium, Republic Of Korea, Netherlands, Portugal, Denmark, Norway, and Greece
What is the NIIN of NSN 4820-01-073-1798?
010731798 or 01-073-1798
Does NSN 4820-01-073-1798 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-01-073-1798?
Solicitation SPE7MC21T083G for qty 74 on 04/23/2021
When was this national stock number assigned to the federal catalog?
Mar 12, 1979