PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

026091Fan,circulating

Rotron Incorporated · NSN 4140-00-171-1387 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-171-1387 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-171-1387. Primary manufacturer part number: 026091.
Features
  • Fan,circulating — FSC 4140
  • Operating Speed at Rated Capacity in RPM: 3350.0
  • Static Pressure at Specified Air Flow Rate: ERR-060
  • Rotation Direction for Which Designed: CLOCKWISE
  • Style Designator: FIXED
  • Mounting Facility Type and Quantity: 1 FLANGE AND 8 UNTHREADED HOLE(S)
  • Prime Mover Power Rating: 0.221 HORSEPOWER
  • Prime Mover Drive Shaft Bearing Type: BALL
Applications
  • Applications requiring Aluminum Overall construction
General Description

The Fan,circulating, cataloged under National Stock Number 4140-00-171-1387, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-00-171-1387
Primary Part Number026091
Item NameFan,circulating
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerRotron Incorporated
StatusACTIVE
Operating Speed at Rated Capacity in RPM3350.0
Static Pressure at Specified Air Flow RateERR-060
Rotation Direction for Which DesignedCLOCKWISE
Style DesignatorFIXED
Mounting Facility Type and Quantity1 FLANGE AND 8 UNTHREADED HOLE(S)
Prime Mover Power Rating0.221 HORSEPOWER
Prime Mover Drive Shaft Bearing TypeBALL
Inclosure TypeFULLY INCLOSED
PhaseSINGLE
Mounting Facility Type and Quantity1 FLANGE AND 8 UNTHREADED HOLE(S)
Prime Mover Power Rating0.221 HORSEPOWER
Frequency in Hertz50.0 AND 60.0
Ambient Temp at Full Rated Power-55.0 CELSIUS AND 70.0 CELSIUS DEGC
Voltage in Volts and Current Type115.0 AC
Prime Mover TypeELECTRIC MOTOR
Drive TypeDIRECT
Speed AdjustmentsSINGLE SPEED
Length7.880 INCHES NOMINAL IN
MaterialALUMINUM OVERALL
Air Flow Rate1050.000 CUBIC FEET PER MINUTE NOMINAL
Surface TreatmentANODIZE OVERALL
Surface TreatmentANODIZE OVERALL
Frequency in Hertz50.0 AND 60.0
Quantity1
Drive TypeDIRECT
Electrical Connection TypeWIRE LEAD
Prime Mover Drive Shaft Bearing TypeBALL
Environmental ProtectionMOISTURE RESISTANT
Rotation Direction for Which DesignedCLOCKWISE
Voltage in Volts and Current Type115.0 AC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6240-00-143-3060 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
138C271H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
026091 PRIMARY Rotron Incorporated (USA)
026090 Rotron Incorporated (USA)
A0-74881 Rotron Incorporated (USA)
HFG-KS 803-R 413AF Rotron Incorporated (USA)
A7W13Q-14C Ashland Electric Products Inc (USA)
HFG-DS803R-413AF Rotron Incorporated (USA)
Related Parts
6240-00-143-3060INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 4140-00-171-1387?

NSN 4140-00-171-1387 is a Fan,circulating, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-171-1387?

NSN 4140-00-171-1387 has 7 cross-referenced part numbers: 138C271H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 026091 (Rotron Incorporated), 026090 (Rotron Incorporated), A0-74881 (Rotron Incorporated), HFG-KS 803-R 413AF (Rotron Incorporated) and 2 more.

What NSN replaces 4140-00-171-1387?

There is 1 known substitute for 4140-00-171-1387: 6240-00-143-3060. Verify interchangeability with system specifications before substitution.

What are the specifications of 026091?

Key specifications for 026091: Operating Speed at Rated Capacity in RPM: 3350.0; Static Pressure at Specified Air Flow Rate: ERR-060; Rotation Direction for Which Designed: CLOCKWISE; Style Designator: FIXED. 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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