PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

031605Fan,circulating

Comair Rotron Inc Sub of Kl Industries Inc · NSN 4140-01-527-0913 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-527-0913 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-527-0913. Primary manufacturer part number: 031605.
Features
  • Fan,circulating — FSC 4140
  • Diameter: 5.290 INCHES NOMINAL IN
  • Prime Mover Drive Shaft Bearing Type: BALL
  • Rotation Direction for Which Designed: COUNTERCLOCKWISE
  • Prime Mover Type: ELECTRIC MOTOR
  • Mounting Facility Type and Quantity: 8 THREADED INSERT
  • Operating Speed at Rated Capacity in RPM: 3400.0
  • Shaft Bearing Type: BALL
Applications
  • Applications requiring Plastic Blade construction
General Description

The Fan,circulating, cataloged under National Stock Number 4140-01-527-0913, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-01-527-0913
Primary Part Number031605
Item NameFan,circulating
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerComair Rotron Inc Sub of Kl Industries Inc
StatusACTIVE
Diameter5.290 INCHES NOMINAL IN
Prime Mover Drive Shaft Bearing TypeBALL
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Prime Mover TypeELECTRIC MOTOR
Mounting Facility Type and Quantity8 THREADED INSERT
Operating Speed at Rated Capacity in RPM3400.0
Shaft Bearing TypeBALL
Ambient Temp at Full Rated Power50.0 CELSIUS DEGC
Electrical Connection TypeWIRE LEAD
Speed AdjustmentsSINGLE SPEED
Inclosure TypeFULLY INCLOSED
Drive TypeBELT
Prime Mover Power Rating26.0 WATTS
Air Flow Rate170.0 CUBIC FEET PER MINUTE NOMINAL
Voltage in Volts and Current Type24.0 DC
MaterialPLASTIC BLADE
Flow DirectionOUTWARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2520-00-080-63532SCFR0NT INTERCHANGEABLE
Axle Assembly,front
Fwd Seagrave Holdings Lp
3110-00-157-37266406FX INTERCHANGEABLE
Bearing,ball,thrust
Oshkosh Defense Llc
5996-01-008-738331605 INTERCHANGEABLE
Amplifier,parametric
Eaton Corp Information Management Systems Div Microwave Components
5910-01-086-6081A-031 605-A INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Miller Electric Mfg. Llc
5962-01-406-1456M235A840-1 INTERCHANGEABLE
Microcircuit,digital-Linear
Telephonics Corp
6515-01-417-5967316.05 INTERCHANGEABLE
Drill,twist,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
4140-01-544-0095031605 INTERCHANGEABLE
Impeller,fan,centrifugal
Newark Electronics Corporation Dba Newark
5365-01-586-2041 INTERCHANGEABLE
Spacer,ring
6150-01-661-700031605 INTERCHANGEABLE
Cable Assembly,special Purpose,e
International Configurations, Inc
1630-01-677-779016VL030005-1 INTERCHANGEABLE
Wheel Assembly,aircraft
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
Cross-Reference Index
Part NumberManufacturer
031605 Comair Rotron Inc Sub of Kl Industries Inc (USA)
31605 Comair Rotron Inc Sub of Kl Industries Inc (USA)
Related Parts
2520-00-080-6353INTERCHANGEABLE
AXLE ASSEMBLY,FRONT
2SCFR0NT
3110-00-157-3726INTERCHANGEABLE
BEARING,BALL,THRUST
6406FX
5996-01-008-7383INTERCHANGEABLE
AMPLIFIER,PARAMETRIC
31605
5910-01-086-6081INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
A-031 605-A
5962-01-406-1456INTERCHANGEABLE
MICROCIRCUIT,DIGITAL-LINEAR
M235A840-1
6515-01-417-5967INTERCHANGEABLE
DRILL,TWIST,BONE
316.05
4140-01-544-0095INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
031605
5365-01-586-2041INTERCHANGEABLE
SPACER,RING
6150-01-661-7000INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
31605
1630-01-677-7790INTERCHANGEABLE
WHEEL ASSEMBLY,AIRCRAFT
16VL030005-1

Frequently Asked Questions

What is NSN 4140-01-527-0913?

NSN 4140-01-527-0913 is a Fan,circulating, manufactured by Comair Rotron Inc Sub of Kl Industries Inc, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-527-0913?

NSN 4140-01-527-0913 has 2 cross-referenced part numbers: 031605 (Comair Rotron Inc Sub of Kl Industries Inc), 31605 (Comair Rotron Inc Sub of Kl Industries Inc).

What NSN replaces 4140-01-527-0913?

There are 10 known substitutes for 4140-01-527-0913: 2520-00-080-6353, 3110-00-157-3726, 5996-01-008-7383 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 031605?

Key specifications for 031605: Diameter: 5.290 INCHES NOMINAL IN; Prime Mover Drive Shaft Bearing Type: BALL; Rotation Direction for Which Designed: COUNTERCLOCKWISE; Prime Mover Type: ELECTRIC MOTOR. 18 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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