PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WR2A1Fan,tubeaxial

Comair Rotron Inc Sub of Kl Industries Inc · NSN 4140-00-726-9755 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-726-9755 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-726-9755. Primary manufacturer part number: WR2A1.
Features
  • Fan,tubeaxial — FSC 4140
  • Static Pressure at Specified Air Flow Rate: ERR-060
  • Operating Speed at Rated Capacity in RPM: 2000.0
  • Flow Direction: INWARD
  • Speed Adjustments: SINGLE SPEED
  • Drive Type: DIRECT
  • Material: PLASTIC PHENOLIC HOUSING
  • Length: 1.500 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic Phenolic Housing construction
General Description

The Fan,tubeaxial, cataloged under National Stock Number 4140-00-726-9755, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 14 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
NSN4140-00-726-9755
Primary Part NumberWR2A1
Item NameFan,tubeaxial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerComair Rotron Inc Sub of Kl Industries Inc
StatusCANCELLED
Static Pressure at Specified Air Flow RateERR-060
Operating Speed at Rated Capacity in RPM2000.0
Flow DirectionINWARD
Speed AdjustmentsSINGLE SPEED
Drive TypeDIRECT
MaterialPLASTIC PHENOLIC HOUSING
Length1.500 INCHES NOMINAL IN
Width4.690 INCHES NOMINAL IN
Air Flow Rate65.0 CUBIC FEET PER MINUTE NOMINAL
Ambient Temp at Full Rated Power57.6 CELSIUS DEGC
PhaseSINGLE
Prime Mover TypeELECTRIC MOTOR
Mounting Facility Type and Quantity2 CLIP AND 4 THREADED HOLE(S)
Prime Mover Power Rating0.009 HORSEPOWER
Voltage in Volts and Current Type115.0 AC
Style DesignatorFIXED
MaterialPLASTIC POLYOLEFIN BLADE
Prime Mover Drive Shaft Bearing TypeSLEEVE
Rotation Direction for Which DesignedCLOCKWISE
Electrical Connection TypeTERMINAL BLOCK
Inclosure TypeFULLY INCLOSED
Housing Inside Diameter4.500 INCHES NOMINAL IN
Height4.690 INCHES NOMINAL IN
Frequency in Hertz60.0
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3040-00-080-8860537-1070-00-0 INTERCHANGEABLE
Shaft,shouldered
Hale Products, Inc.
5905-00-163-1057300606 INTERCHANGEABLE
Resistor Assembly
Bull SAS
5985-00-187-8985116484 INTERCHANGEABLE
Waveguide Assembly
Frontgrade Technologies Inc.
5905-00-539-4900 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
4140-01-011-0165 INTERCHANGEABLE
Fan,tubeaxial
2590-01-122-313331727 INTERCHANGEABLE
Cap,filler Opening
Gates Corporation
5310-01-177-6600300606 INTERCHANGEABLE
Washer,lock
International Business Machines Corp Parts Order Center Dept E - 54
4140-01-222-8970 INTERCHANGEABLE
Fan,tubeaxial
4140-01-259-7912 INTERCHANGEABLE
Fan,tubeaxial
6750-01-427-3412 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
WR2A1 Comair Rotron Inc Sub of Kl Industries Inc (USA)
324612 Telemechanics Inc (USA)
WR2A1 Rotron Incorporated (USA)
1037-8009 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
300606 Richards Imagery Interpretation Systems, L.l.c. (USA)
WS2107FL-1009 Imc Magnetics Corp Eastern Div (USA)
028340 Comair Rotron Inc Sub of Kl Industries Inc (USA)
4017411-0702 Raytheon Company Dba Raytheon Co (USA)
028340 Rotron Incorporated (USA)
WS2107FL-1009 Curtiss-Wright Controls Integrated Sensing, Inc. (USA)
141LV-2282-010 Rosenberg Usa, Inc. (USA)
WS2107FL9 Curtiss-Wright Controls Integrated Sensing, Inc. (USA)
31727 Industrial Fitting Corp (USA)
255562 Fluke Corp (USA)
037001-0002 General Dynamics Information Technology, Inc. (USA)
563 Industrial Fitting Corp (USA)
WHISPERVENTUR1FAN Rotron Incorporated (USA)
5014948-001 Thales Uk Limited Dba Thales Uk Ltd Training and Simulation (GBR)
324612 American Telephone and Telegraph Co (USA)
Related Parts
3040-00-080-8860INTERCHANGEABLE
SHAFT,SHOULDERED
537-1070-00-0
5905-00-163-1057INTERCHANGEABLE
RESISTOR ASSEMBLY
300606
5985-00-187-8985INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
116484
5905-00-539-4900INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
4140-01-011-0165INTERCHANGEABLE
FAN,TUBEAXIAL
2590-01-122-3133INTERCHANGEABLE
CAP,FILLER OPENING
31727
5310-01-177-6600INTERCHANGEABLE
WASHER,LOCK
300606
4140-01-222-8970INTERCHANGEABLE
FAN,TUBEAXIAL
4140-01-259-7912INTERCHANGEABLE
FAN,TUBEAXIAL
6750-01-427-3412INTERCHANGEABLE
FILM,PHOTOGRAPHIC
4820-01-673-8000INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
300606
5430-01-701-1059INTERCHANGEABLE
TANK,LIQUID STORAGE
300606

Frequently Asked Questions

What is NSN 4140-00-726-9755?

NSN 4140-00-726-9755 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 4140-00-726-9755?

NSN 4140-00-726-9755 has 19 cross-referenced part numbers: WR2A1 (Comair Rotron Inc Sub of Kl Industries Inc), 324612 (Telemechanics Inc), WR2A1 (Rotron Incorporated), 1037-8009 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 300606 (Richards Imagery Interpretation Systems, L.l.c.) and 14 more.

What NSN replaces 4140-00-726-9755?

There are 12 known substitutes for 4140-00-726-9755: 3040-00-080-8860, 5905-00-163-1057, 5985-00-187-8985 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WR2A1?

Key specifications for WR2A1: Static Pressure at Specified Air Flow Rate: ERR-060; Operating Speed at Rated Capacity in RPM: 2000.0; Flow Direction: INWARD; Speed Adjustments: SINGLE SPEED. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4140-00-726-9755 still in active supply?

NSN 4140-00-726-9755 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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