PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MU2A2Fan,tubeaxial

Comair Rotron Inc Sub of Kl Industries Inc · NSN 4140-00-103-0061 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-103-0061 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-103-0061. Primary manufacturer part number: MU2A2.
Features
  • Fan,tubeaxial — FSC 4140
  • Electrical Connection Type: TERMINAL
  • Width: 4.125 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 2 FLANGE AND 4 UNTHREADED HOLE(S)
  • Speed Adjustments: SINGLE SPEED
  • Inclosure Type: FULLY INCLOSED
  • Rotation Direction for Which Designed: COUNTERCLOCKWISE
  • Style Designator: FIXED
Applications
  • Applications requiring Plastic Phenolic Housing construction
General Description

The Fan,tubeaxial, cataloged under National Stock Number 4140-00-103-0061, 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 Comair Rotron Inc Sub of Kl Industries Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4140-00-103-0061
Primary Part NumberMU2A2
Item NameFan,tubeaxial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerComair Rotron Inc Sub of Kl Industries Inc
StatusCANCELLED
Electrical Connection TypeTERMINAL
Width4.125 INCHES NOMINAL IN
Mounting Facility Type and Quantity2 FLANGE AND 4 UNTHREADED HOLE(S)
Speed AdjustmentsSINGLE SPEED
Inclosure TypeFULLY INCLOSED
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Style DesignatorFIXED
Ambient Temp at Full Rated Power72.0 CELSIUS DEGC
PhaseSINGLE
Air Flow Rate110.0 CUBIC FEET PER MINUTE MAXIMUM
Height4.125 INCHES NOMINAL IN
Drive TypeDIRECT
Frequency in Hertz50.0 AND 60.0
Prime Mover Power Rating0.018 HORSEPOWER
MaterialPLASTIC PHENOLIC HOUSING
Voltage in Volts and Current Type115.0 AC
Operating Speed at Rated Capacity in RPM3200.0
Length1.520 INCHES NOMINAL IN
Prime Mover TypeELECTRIC MOTOR
Prime Mover Drive Shaft Bearing TypeSLEEVE
Flow DirectionINWARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4140-00-901-6367 INTERCHANGEABLE
Fan,tubeaxial
5360-01-132-3902 INTERCHANGEABLE
Spring
4720-01-547-595641-037 INTERCHANGEABLE
Tubing,nonmetallic
Control Instruments Automotive (pty)ltd
Cross-Reference Index
Part NumberManufacturer
MU2A2 Comair Rotron Inc Sub of Kl Industries Inc (USA)
M747SKELET0N Rotron Incorporated (USA)
MUFFINVENTURIFA Rotron Incorporated (USA)
MARK4SKELET0NFANM747 Rotron Incorporated (USA)
028022 Rotron Incorporated (USA)
021001-20124 Rotron Incorporated (USA)
MUFFIN Rotron Incorporated (USA)
028022 Comair Rotron Inc Sub of Kl Industries Inc (USA)
MU2A2 Rotron Incorporated (USA)
492-0132-001 The Boeing Company Div Legacy Boeing Hb1 (USA)
009-1829-010 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
4140-00-901-6367INTERCHANGEABLE
FAN,TUBEAXIAL
5360-01-132-3902INTERCHANGEABLE
SPRING
4720-01-547-5956INTERCHANGEABLE
TUBING,NONMETALLIC
41-037

Frequently Asked Questions

What is NSN 4140-00-103-0061?

NSN 4140-00-103-0061 is a Fan,tubeaxial, manufactured by Comair Rotron Inc Sub of Kl Industries Inc, classified under FSC 4140 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4140-00-103-0061?

NSN 4140-00-103-0061 has 11 cross-referenced part numbers: MU2A2 (Comair Rotron Inc Sub of Kl Industries Inc), M747SKELET0N (Rotron Incorporated), MUFFINVENTURIFA (Rotron Incorporated), MARK4SKELET0NFANM747 (Rotron Incorporated), 028022 (Rotron Incorporated) and 6 more.

What NSN replaces 4140-00-103-0061?

There are 3 known substitutes for 4140-00-103-0061: 4140-00-901-6367, 5360-01-132-3902, 4720-01-547-5956. Verify interchangeability with system specifications before substitution.

What are the specifications of MU2A2?

Key specifications for MU2A2: Electrical Connection Type: TERMINAL; Width: 4.125 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 2 FLANGE AND 4 UNTHREADED HOLE(S); Speed Adjustments: SINGLE SPEED. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4140-00-103-0061 still in active supply?

NSN 4140-00-103-0061 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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