PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

026958Fan,tubeaxial

Rotron Incorporated · NSN 4140-01-191-5412 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-191-5412 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-191-5412. Primary manufacturer part number: 026958.
Features
  • Fan,tubeaxial — FSC 4140
  • Diameter: 2.120 INCHES NOMINAL IN
  • Air Flow Rate: 420.000 CUBIC FEET PER MINUTE NOMINAL
  • Frequency in Hertz: 50.0 AND 60.0
  • Style Designator: FIXED
  • Prime Mover Drive Shaft Bearing Type: BALL
  • Housing Inside Diameter: 2.780 INCHES NOMINAL IN
  • Voltage in Volts and Current Type: 115.0 AC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fan,tubeaxial, cataloged under National Stock Number 4140-01-191-5412, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4140-01-191-5412
Primary Part Number026958
Item NameFan,tubeaxial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerRotron Incorporated
StatusACTIVE
Diameter2.120 INCHES NOMINAL IN
Air Flow Rate420.000 CUBIC FEET PER MINUTE NOMINAL
Frequency in Hertz50.0 AND 60.0
Style DesignatorFIXED
Prime Mover Drive Shaft Bearing TypeBALL
Housing Inside Diameter2.780 INCHES NOMINAL IN
Voltage in Volts and Current Type115.0 AC
PhaseTHREE
Prime Mover TypeELECTRIC MOTOR
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Drive TypeDIRECT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4140-00-880-6918026958 INTERCHANGEABLE
Fan,vaneaxial
Rotron Incorporated
4140-01-032-5745054399 INTERCHANGEABLE
Fan,vaneaxial
L3 Technologies, Inc. Div L3 Keo
Cross-Reference Index
Part NumberManufacturer
924769-0001 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
026958 PRIMARY Rotron Incorporated (USA)
Related Parts
4140-00-880-6918INTERCHANGEABLE
FAN,VANEAXIAL
026958
4140-01-032-5745INTERCHANGEABLE
FAN,VANEAXIAL
054399

Frequently Asked Questions

What is NSN 4140-01-191-5412?

NSN 4140-01-191-5412 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 4140-01-191-5412?

NSN 4140-01-191-5412 has 2 cross-referenced part numbers: 924769-0001 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 026958 (Rotron Incorporated).

What NSN replaces 4140-01-191-5412?

There are 2 known substitutes for 4140-01-191-5412: 4140-00-880-6918, 4140-01-032-5745. Verify interchangeability with system specifications before substitution.

What are the specifications of 026958?

Key specifications for 026958: Diameter: 2.120 INCHES NOMINAL IN; Air Flow Rate: 420.000 CUBIC FEET PER MINUTE NOMINAL; Frequency in Hertz: 50.0 AND 60.0; Style Designator: FIXED. 11 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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