PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31168Fan,vaneaxial

Comair Rotron Inc Sub of Kl Industries Inc · NSN 4140-01-495-0791 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-495-0791 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-495-0791. Primary manufacturer part number: 31168.
Features
  • Fan,vaneaxial — FSC 4140
  • Style Designator: FIXED
  • Drive Type: DIRECT
  • Shaft Bearing Type: BALL
  • Static Pressure at Specified Air Flow Rate: ERR-060
  • Housing Inside Diameter: 3.250 INCHES NOMINAL IN
  • Material: PLASTIC OVERALL
  • Air Flow Rate: 45.0 CUBIC FEET PER MINUTE NOMINAL
Applications
  • Applications requiring Plastic Overall construction
General Description

The Fan,vaneaxial, cataloged under National Stock Number 4140-01-495-0791, 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 13 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-01-495-0791
Primary Part Number31168
Item NameFan,vaneaxial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerComair Rotron Inc Sub of Kl Industries Inc
StatusACTIVE
Style DesignatorFIXED
Drive TypeDIRECT
Shaft Bearing TypeBALL
Static Pressure at Specified Air Flow RateERR-060
Housing Inside Diameter3.250 INCHES NOMINAL IN
MaterialPLASTIC OVERALL
Air Flow Rate45.0 CUBIC FEET PER MINUTE NOMINAL
Flow DirectionINWARD
Rotation Direction for Which DesignedCLOCKWISE
Width1.000 INCHES NOMINAL IN
Length3.620 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Height3.620 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-643-568731168 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5331-01-304-92563-1168 INTERCHANGEABLE
O-Ring
W.w. Grainger, Inc. Div Government Sales Division
4140-01-374-8465020-001310-001 INTERCHANGEABLE
Fan,tubeaxial
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
6030-01-397-446331168 INTERCHANGEABLE
Transmitter,light Signal
Belfort Instrument Company
6640-01-509-7751FS-75 INTERCHANGEABLE
Air Filtration Unit,portable
Germfree Laboratories, Llc
Cross-Reference Index
Part NumberManufacturer
31168 Comair Rotron Inc Sub of Kl Industries Inc (USA)
031168 Rotron Incorporated (USA)
Related Parts
5940-00-643-5687INTERCHANGEABLE
TERMINAL,LUG
31168
5331-01-304-9256INTERCHANGEABLE
O-RING
3-1168
4140-01-374-8465INTERCHANGEABLE
FAN,TUBEAXIAL
020-001310-001
6030-01-397-4463INTERCHANGEABLE
TRANSMITTER,LIGHT SIGNAL
31168
6640-01-509-7751INTERCHANGEABLE
AIR FILTRATION UNIT,PORTABLE
FS-75

Frequently Asked Questions

What is NSN 4140-01-495-0791?

NSN 4140-01-495-0791 is a Fan,vaneaxial, 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 4140-01-495-0791?

NSN 4140-01-495-0791 has 2 cross-referenced part numbers: 31168 (Comair Rotron Inc Sub of Kl Industries Inc), 031168 (Rotron Incorporated).

What NSN replaces 4140-01-495-0791?

There are 5 known substitutes for 4140-01-495-0791: 5940-00-643-5687, 5331-01-304-9256, 4140-01-374-8465 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31168?

Key specifications for 31168: Style Designator: FIXED; Drive Type: DIRECT; Shaft Bearing Type: BALL; Static Pressure at Specified Air Flow Rate: ERR-060. 14 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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