PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MU2B1Fan,tubeaxial

Comair Rotron Inc Sub of Kl Industries Inc · NSN 4140-00-505-0312 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-505-0312 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-505-0312. Primary manufacturer part number: MU2B1.
Features
  • Fan,tubeaxial — FSC 4140
  • Length: 1.600 INCHES NOMINAL IN
  • Prime Mover Power Rating: 0.018 HORSEPOWER
  • Prime Mover Drive Shaft Bearing Type: BALL
  • Material: PLASTIC PHENOLIC HOUSING
  • Mounting Facility Type and Quantity: 2 FLANGE
  • Inclosure Type: FULLY INCLOSED
  • Drive Type: DIRECT
Applications
  • Applications requiring Plastic Phenolic Housing construction
General Description

The Fan,tubeaxial, cataloged under National Stock Number 4140-00-505-0312, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4140-00-505-0312
Primary Part NumberMU2B1
Item NameFan,tubeaxial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerComair Rotron Inc Sub of Kl Industries Inc
StatusCANCELLED
Length1.600 INCHES NOMINAL IN
Prime Mover Power Rating0.018 HORSEPOWER
Prime Mover Drive Shaft Bearing TypeBALL
MaterialPLASTIC PHENOLIC HOUSING
Mounting Facility Type and Quantity2 FLANGE
Inclosure TypeFULLY INCLOSED
Drive TypeDIRECT
Ambient Temp at Full Rated Power-18.0 CELSIUS AND 70.0 CELSIUS DEGC
PhaseSINGLE
Voltage in Volts and Current Type115.0 AC
Style DesignatorFIXED
Operating Speed at Rated Capacity in RPM2650.0 AND 3100.0
Static Pressure at Specified Air Flow RateERR-060
Housing Inside Diameter4.500 INCHES NOMINAL IN
Speed AdjustmentsSINGLE SPEED
Air Flow Rate105.0 CUBIC FEET PER MINUTE NOMINAL
MaterialPLASTIC POLYPROPYLENE BLADE
Flow DirectionINWARD
Electrical Connection TypeTERMINAL
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Frequency in Hertz50.0 AND 60.0
Prime Mover TypeELECTRIC MOTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4140-00-104-2655OA109AP-11-1TB INTERCHANGEABLE
Fan,tubeaxial
Knight Electronics, Inc Div Orion Fans
5365-00-219-939752773HA INTERCHANGEABLE
Shim
Navistar Intl Corp Truck Br Ohio Plant
4140-00-789-254314087-004 INTERCHANGEABLE
Fan,tubeaxial
Dynalec Corporation
4130-00-807-690928027 INTERCHANGEABLE
Compressor Unit,refrigeration
Triumph Thermal Systems - Maryland, Inc.
4130-00-909-8130 INTERCHANGEABLE
Filter Element,air Conditioning
4140-01-055-4705028422000 INTERCHANGEABLE
Fan,tubeaxial
Rotron Incorporated
4140-01-171-5979B5890 INTERCHANGEABLE
Fan,tubeaxial
Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc
1005-01-187-941828027 INTERCHANGEABLE
Inductor
Torotel, Inc. Div Torotel Products, Inc.
4820-01-301-16895973-00 INTERCHANGEABLE
Guide,valve Stem
Lawler Manufacturing Company, Inc.
5365-01-308-5801424-005 INTERCHANGEABLE
Plug,machine Thread
Malabar
Cross-Reference Index
Part NumberManufacturer
MU2B1 Comair Rotron Inc Sub of Kl Industries Inc (USA)
419039-2 Raytheon Company Dba Raytheon (USA)
597300 International Business Machines Corp Endicott Development Lab (USA)
GOLDSEALMUFFINVENTURI Rotron Incorporated (USA)
028338 Comair Rotron Inc Sub of Kl Industries Inc (USA)
853-450-01 Ametek Programmable Power, Inc. (USA)
A0-19956 Rotron Incorporated (USA)
207-300001-003 Compro Computer Services, Inc. Dba Compro (USA)
009-1840-030 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
28027 Eg and G Rotron Regenerative Blower Opns (USA)
525030 Thales Uk Limited Dba Thales Uk Ltd Training and Simulation (GBR)
009-1766-080 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
MU2B1 Rotron Incorporated (USA)
SM-B-535926 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
028338 Rotron Incorporated (USA)
MU2B1 Raytheon Company Dba Raytheon Co (USA)
028027 Rotron Incorporated (USA)
028338W/478031 Comair Rotron Inc Sub of Kl Industries Inc (USA)
MU2B1 J.t. Slocomb Corp (USA)
028338W/478031 Rotron Incorporated (USA)
Related Parts
4140-00-104-2655INTERCHANGEABLE
FAN,TUBEAXIAL
OA109AP-11-1TB
5365-00-219-9397INTERCHANGEABLE
SHIM
52773HA
4140-00-789-2543INTERCHANGEABLE
FAN,TUBEAXIAL
14087-004
4130-00-807-6909INTERCHANGEABLE
COMPRESSOR UNIT,REFRIGERATION
28027
4130-00-909-8130INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
4140-01-055-4705INTERCHANGEABLE
FAN,TUBEAXIAL
028422000
4140-01-171-5979INTERCHANGEABLE
FAN,TUBEAXIAL
B5890
1005-01-187-9418INTERCHANGEABLE
INDUCTOR
28027
4820-01-301-1689INTERCHANGEABLE
GUIDE,VALVE STEM
5973-00
5365-01-308-5801INTERCHANGEABLE
PLUG,MACHINE THREAD
424-005
4140-01-602-6326INTERCHANGEABLE
FAN,CENTRIFUGAL
28027
7240-01-656-6927INTERCHANGEABLE
FUNNEL

Frequently Asked Questions

What is NSN 4140-00-505-0312?

NSN 4140-00-505-0312 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 4140-00-505-0312?

NSN 4140-00-505-0312 has 26 cross-referenced part numbers: MU2B1 (Comair Rotron Inc Sub of Kl Industries Inc), 419039-2 (Raytheon Company Dba Raytheon), 597300 (International Business Machines Corp Endicott Development Lab), GOLDSEALMUFFINVENTURI (Rotron Incorporated), 028338 (Comair Rotron Inc Sub of Kl Industries Inc) and 21 more.

What NSN replaces 4140-00-505-0312?

There are 12 known substitutes for 4140-00-505-0312: 4140-00-104-2655, 5365-00-219-9397, 4140-00-789-2543 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MU2B1?

Key specifications for MU2B1: Length: 1.600 INCHES NOMINAL IN; Prime Mover Power Rating: 0.018 HORSEPOWER; Prime Mover Drive Shaft Bearing Type: BALL; Material: PLASTIC PHENOLIC HOUSING. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4140-00-505-0312 still in active supply?

NSN 4140-00-505-0312 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.
PartsTable Design LLC · partstable.com