PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19902Pump Unit,rotary

Hydro-Aire Aerospace Corp · NSN 4320-00-203-8094 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-203-8094 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-203-8094. Primary manufacturer part number: 19902.
Features
  • Pump Unit,rotary — FSC 4320
  • Voltage in Volts: 27.0
  • Prime Mover Type: ELECTRIC MOTOR
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
  • Intake Connection Thread Size and Series/type Designator: 0.250-18 NPT
  • Inclosure Type: FULLY INCLOSED
  • Prime Mover Power Rating: 0.033 HORSEPOWER
  • Voltage in Volts: 27.0
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,rotary, cataloged under National Stock Number 4320-00-203-8094, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-203-8094
Primary Part Number19902
Item NamePump Unit,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
Voltage in Volts27.0
Prime Mover TypeELECTRIC MOTOR
Media for Which DesignedHYDROCARBON FUELS AND OILS
Intake Connection Thread Size and Series/type Designator0.250-18 NPT
Inclosure TypeFULLY INCLOSED
Prime Mover Power Rating0.033 HORSEPOWER
Voltage in Volts27.0
Rotary Pump DesignGEAR
Maximum Discharge Flow Rate0.58 GALLONS PER MINUTE
Discharge Connection Quantity1
Intake Connection Quantity1
Operation Relationship DesignSIMULTANEOUS
Current TypeDC
Discharge Pressure.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS
Pumping Element Operating PositionHORIZONTAL
Inclosure TypeFULLY INCLOSED
Prime Mover Quantity1
Environmental ProtectionWATERPROOF
Prime Mover TypeELECTRIC MOTOR
Pump Quantity1
Operating Speed at Rated Capacity5900.0 REVOLUTIONS PER MINUTE
Discharge Connection Thread Size and Series/type Designator0.250-18 NPT
Operation Relationship DesignSIMULTANEOUS
Pump Quantity1
Intake Connection TypeTHREADED INTERNAL
Discharge Connection TypeTHREADED INTERNAL
Prime Mover Power Rating0.033 HORSEPOWER
Operating Speed at Rated Capacity5900.0 REVOLUTIONS PER MINUTE
Rotary Pump DesignGEAR
Maximum Discharge Flow Rate0.58 GALLONS PER MINUTE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5340-00-039-645419902 INTERCHANGEABLE
Mount,resilient,utility
John Deer Consumer Products Inc
5950-00-648-39867485544P1 INTERCHANGEABLE
Transformer,power
General Electric Company
5330-00-761-742419900 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5330-01-048-7346271722 INTERCHANGEABLE
Retainer,packing
Eaton Aerospace, Llc Dba Jackson South
5310-01-074-687219902 INTERCHANGEABLE
Nut,plain,extended Washer,hexago
Jergens Inc Div Tooling Components Division
4820-01-323-511219901J INTERCHANGEABLE
Valve,calibrated Flow
Griswold Industries Dba Cla-Val Co
5355-01-462-669719902 INTERCHANGEABLE
Knob
Elbitamerica, Inc.
5130-01-533-899119902 INTERCHANGEABLE
Mandrel,riveter,blind
Gage Bilt, Inc.
Cross-Reference Index
Part NumberManufacturer
19902 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
5340-00-039-6454INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
19902
5950-00-648-3986INTERCHANGEABLE
TRANSFORMER,POWER
7485544P1
5330-00-761-7424INTERCHANGEABLE
SEAL,PLAIN ENCASED
19900
5330-01-048-7346INTERCHANGEABLE
RETAINER,PACKING
271722
5310-01-074-6872INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,HEXAGO
19902
4820-01-323-5112INTERCHANGEABLE
VALVE,CALIBRATED FLOW
19901J
5355-01-462-6697INTERCHANGEABLE
KNOB
19902
5130-01-533-8991INTERCHANGEABLE
MANDREL,RIVETER,BLIND
19902

Frequently Asked Questions

What is NSN 4320-00-203-8094?

NSN 4320-00-203-8094 is a Pump Unit,rotary, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-203-8094?

NSN 4320-00-203-8094 has 1 cross-referenced part number: 19902 (Hydro-Aire Aerospace Corp).

What NSN replaces 4320-00-203-8094?

There are 8 known substitutes for 4320-00-203-8094: 5340-00-039-6454, 5950-00-648-3986, 5330-00-761-7424 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19902?

Key specifications for 19902: Voltage in Volts: 27.0; Prime Mover Type: ELECTRIC MOTOR; Media for Which Designed: HYDROCARBON FUELS AND OILS; Intake Connection Thread Size and Series/type Designator: 0.250-18 NPT. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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