PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

037792Fan,centrifugal

Rotron Incorporated · NSN 4140-01-021-2380 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-021-2380 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-021-2380. Primary manufacturer part number: 037792.
Features
  • Fan,centrifugal — FSC 4140
  • Phase: SINGLE
  • Outlet Inside Diameter: 5.500 INCHES NOMINAL IN
  • Prime Mover Drive Shaft Bearing Type: BALL
  • Air Flow Rate: 540.0 CUBIC FEET PER MINUTE MAXIMUM
  • Inclosure Type: PARTIALLY INCLOSED
  • Ambient Temp at Full Rated Power: -20.0 CELSIUS AND 85.0 CELSIUS DEGC
  • Static Pressure at Specified Air Flow Rate: ERR-060
Applications
  • Applications requiring Aluminum Blade construction
General Description

The Fan,centrifugal, cataloged under National Stock Number 4140-01-021-2380, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Rotron Incorporated. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-01-021-2380
Primary Part Number037792
Item NameFan,centrifugal
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerRotron Incorporated
StatusACTIVE
PhaseSINGLE
Outlet Inside Diameter5.500 INCHES NOMINAL IN
Prime Mover Drive Shaft Bearing TypeBALL
Air Flow Rate540.0 CUBIC FEET PER MINUTE MAXIMUM
Inclosure TypePARTIALLY INCLOSED
Ambient Temp at Full Rated Power-20.0 CELSIUS AND 85.0 CELSIUS DEGC
Static Pressure at Specified Air Flow RateERR-060
Discharge DirectionANGULAR DOWN AND ANGULAR UP AND HORIZONTAL AND VERTICAL DOWN AND VERTICAL UP
Voltage in Volts and Current Type230.0 AC
Style DesignatorFIXED,ROUND OUTLETS
Quantity1
Length11.469 INCHES NOMINAL IN
Speed AdjustmentsSINGLE SPEED
Outlet LocationTOP
Height10.812 INCHES NOMINAL IN
Frequency in Hertz60.0
Operating Speed at Rated Capacity in RPM3300.0
Stage Quantity1
Prime Mover TypeELECTRIC MOTOR
Electrical Connection TypeTERMINAL BLOCK
Width6.969 INCHES NOMINAL IN
Rotation Direction for Which DesignedCLOCKWISE AND COUNTERCLOCKWISE
MaterialALUMINUM BLADE
Mounting Facility Type and Quantity1 FLANGE AND 8 THREADED HOLE(S)
Drive TypeDIRECT
Prime Mover Power Rating0.509 HORSEPOWER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2520-00-447-3233591110 INTERCHANGEABLE
Gear
General Motors Corp
4140-01-066-788319028245A INTERCHANGEABLE
Fan,tubeaxial
Lockheed Martin Corporation Div Rotary and Mission Systems
Cross-Reference Index
Part NumberManufacturer
027555 Rotron Incorporated (USA)
591-253 Dresser Canada Incwayne Pump Div (CAN)
037792 PRIMARY Rotron Incorporated (USA)
CX33A3G Rotron Incorporated (USA)
Related Parts
2520-00-447-3233INTERCHANGEABLE
GEAR
591110
4140-01-066-7883INTERCHANGEABLE
FAN,TUBEAXIAL
19028245A

Frequently Asked Questions

What is NSN 4140-01-021-2380?

NSN 4140-01-021-2380 is a Fan,centrifugal, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-021-2380?

NSN 4140-01-021-2380 has 4 cross-referenced part numbers: 027555 (Rotron Incorporated), 591-253 (Dresser Canada Incwayne Pump Div), 037792 (Rotron Incorporated), CX33A3G (Rotron Incorporated).

What NSN replaces 4140-01-021-2380?

There are 2 known substitutes for 4140-01-021-2380: 2520-00-447-3233, 4140-01-066-7883. Verify interchangeability with system specifications before substitution.

What are the specifications of 037792?

Key specifications for 037792: Phase: SINGLE; Outlet Inside Diameter: 5.500 INCHES NOMINAL IN; Prime Mover Drive Shaft Bearing Type: BALL; Air Flow Rate: 540.0 CUBIC FEET PER MINUTE MAXIMUM. 26 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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