PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

026785Fan,tubeaxial

Rotron Incorporated · NSN 4140-01-078-4814 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-078-4814 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-078-4814. Primary manufacturer part number: 026785.
Features
  • Fan,tubeaxial — FSC 4140
  • Speed Adjustments: SINGLE SPEED
  • Length: 1.630 INCHES NOMINAL IN
  • Phase: SINGLE
  • Prime Mover Drive Shaft Bearing Type: BALL
  • Rotation Direction for Which Designed: CLOCKWISE
  • Drive Type: DIRECT
  • Static Pressure at Specified Air Flow Rate: ERR-060
Applications
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Fan,tubeaxial, cataloged under National Stock Number 4140-01-078-4814, 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 21 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
NSN4140-01-078-4814
Primary Part Number026785
Item NameFan,tubeaxial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerRotron Incorporated
StatusACTIVE
Speed AdjustmentsSINGLE SPEED
Length1.630 INCHES NOMINAL IN
PhaseSINGLE
Prime Mover Drive Shaft Bearing TypeBALL
Rotation Direction for Which DesignedCLOCKWISE
Drive TypeDIRECT
Static Pressure at Specified Air Flow RateERR-060
Prime Mover TypeELECTRIC MOTOR
Inclosure TypeFULLY INCLOSED
Prime Mover Power Rating18.0 WATTS
Air Flow Rate68.0 CUBIC FEET PER MINUTE NOMINAL
Mounting Facility Type and Quantity2 RIM
Electrical Connection TypeTERMINAL BLOCK
Frequency in Hertz400.0
Operating Speed at Rated Capacity in RPM12500.0
Housing Inside Diameter3.064 INCHES NOMINAL IN
Voltage in Volts and Current Type115.0 AC
Style DesignatorFIXED
MaterialALUMINUM ALLOY OVERALL
Flow DirectionINWARD
Surface TreatmentENAMEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4140-00-075-2000026971 INTERCHANGEABLE
Fan,tubeaxial
Rotron Incorporated
5950-00-809-6249ML5 INTERCHANGEABLE
Reactor
Magnetika Inc Div Magnetika/phillipsburg Location
Cross-Reference Index
Part NumberManufacturer
026785 PRIMARY Rotron Incorporated (USA)
A0-74994 Rotron Incorporated (USA)
277B4500 Power Paragon Inc Dba Air Borne Power Div Airborne Power (USA)
PROPIMAX2-415ZH Rotron Incorporated (USA)
Related Parts
4140-00-075-2000INTERCHANGEABLE
FAN,TUBEAXIAL
026971
5950-00-809-6249INTERCHANGEABLE
REACTOR
ML5

Frequently Asked Questions

What is NSN 4140-01-078-4814?

NSN 4140-01-078-4814 is a Fan,tubeaxial, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-078-4814?

NSN 4140-01-078-4814 has 4 cross-referenced part numbers: 026785 (Rotron Incorporated), A0-74994 (Rotron Incorporated), 277B4500 (Power Paragon Inc Dba Air Borne Power Div Airborne Power), PROPIMAX2-415ZH (Rotron Incorporated).

What NSN replaces 4140-01-078-4814?

There are 2 known substitutes for 4140-01-078-4814: 4140-00-075-2000, 5950-00-809-6249. Verify interchangeability with system specifications before substitution.

What are the specifications of 026785?

Key specifications for 026785: Speed Adjustments: SINGLE SPEED; Length: 1.630 INCHES NOMINAL IN; Phase: SINGLE; Prime Mover Drive Shaft Bearing Type: BALL. 22 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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