PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A4235Impeller,fan,axial

Eaton Motor Site · NSN 4140-00-031-2642 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-031-2642 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-031-2642. Primary manufacturer part number: A4235.
Features
  • Impeller,fan,axial — FSC 4140
  • Hub Location: BACK
  • Style Designator: ROUNDED TIP
  • Material: ALUMINUM ALLOY 356.0 OVERALL
  • Blade Quantity: 9
  • Attachment Method: SETSCREW
  • Diameter: 3.875 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Applications requiring Aluminum Alloy 356.0 Overall construction
General Description

The Impeller,fan,axial, cataloged under National Stock Number 4140-00-031-2642, 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 Eaton Motor Site. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-00-031-2642
Primary Part NumberA4235
Item NameImpeller,fan,axial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerEaton Motor Site
StatusACTIVE
Hub LocationBACK
Style DesignatorROUNDED TIP
MaterialALUMINUM ALLOY 356.0 OVERALL
Blade Quantity9
Attachment MethodSETSCREW
Diameter3.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3020-00-275-1099 INTERCHANGEABLE
Gear,spur
5905-00-277-74391742-1 INTERCHANGEABLE
Resistor,fixed,film
Caddock Electronics Inc.
3030-00-934-809017420 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
5355-00-951-0711 INTERCHANGEABLE
Dial,scale
1650-00-955-961517421 INTERCHANGEABLE
Parts Kit,valve,hyd
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6625-01-018-108517421 INTERCHANGEABLE
Ammeter
Simpson Electric Company, Inc.
5360-01-185-85331742-1 INTERCHANGEABLE
Spring,helical,compression
Droitcour Co
5330-01-207-159317421 INTERCHANGEABLE
Retainer,packing
Haskel International, Llc Dba Haskel International, Llc
5365-01-320-708517421 INTERCHANGEABLE
Spacer,sleeve
Dana Commercial Vehicle Products, Llc
5985-01-340-438117421 INTERCHANGEABLE
Strain Insulator
Dayton-Granger, Inc.
Cross-Reference Index
Part NumberManufacturer
A4235 Eaton Motor Site (USA)
17421 Ashland Electric Products Inc (USA)
A4235 Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA)
Related Parts
3020-00-275-1099INTERCHANGEABLE
GEAR,SPUR
5905-00-277-7439INTERCHANGEABLE
RESISTOR,FIXED,FILM
1742-1
3030-00-934-8090INTERCHANGEABLE
BELT,V
17420
5355-00-951-0711INTERCHANGEABLE
DIAL,SCALE
1650-00-955-9615INTERCHANGEABLE
PARTS KIT,VALVE,HYD
17421
6625-01-018-1085INTERCHANGEABLE
AMMETER
17421
5360-01-185-8533INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1742-1
5330-01-207-1593INTERCHANGEABLE
RETAINER,PACKING
17421
5365-01-320-7085INTERCHANGEABLE
SPACER,SLEEVE
17421
5985-01-340-4381INTERCHANGEABLE
STRAIN INSULATOR
17421
2510-01-559-6906INTERCHANGEABLE
FRAME SECTION,STRUCTURAL,VEHICUL
17421

Frequently Asked Questions

What is NSN 4140-00-031-2642?

NSN 4140-00-031-2642 is a Impeller,fan,axial, manufactured by Eaton Motor Site, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-031-2642?

NSN 4140-00-031-2642 has 3 cross-referenced part numbers: A4235 (Eaton Motor Site), 17421 (Ashland Electric Products Inc), A4235 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).

What NSN replaces 4140-00-031-2642?

There are 11 known substitutes for 4140-00-031-2642: 3020-00-275-1099, 5905-00-277-7439, 3030-00-934-8090 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A4235?

Key specifications for A4235: Hub Location: BACK; Style Designator: ROUNDED TIP; Material: ALUMINUM ALLOY 356.0 OVERALL; Blade Quantity: 9. 6 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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