PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2660-1578-51Impeller,fan,axial

Curtiss-Wright Controls Integrated Sensing, Inc. · NSN 4140-00-628-3546 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-628-3546 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-628-3546. Primary manufacturer part number: 2660-1578-51.
Features
  • Impeller,fan,axial — FSC 4140
  • Hub Location: CENTER
  • Attachment Method: TAPER PIN
  • Material: ALUMINUM ALLOY OVERALL
  • Style Designator: STRAIGHT TIP
  • Diameter: 3.965 INCHES MINIMUM AND 3.970 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Curtiss-Wright Controls Integrated Sensing, Inc.
Applications
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Impeller,fan,axial, cataloged under National Stock Number 4140-00-628-3546, 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 Curtiss-Wright Controls Integrated Sensing, Inc.. Government technical data includes 5 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-00-628-3546
Primary Part Number2660-1578-51
Item NameImpeller,fan,axial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerCurtiss-Wright Controls Integrated Sensing, Inc.
StatusACTIVE
Hub LocationCENTER
Attachment MethodTAPER PIN
MaterialALUMINUM ALLOY OVERALL
Style DesignatorSTRAIGHT TIP
Diameter3.965 INCHES MINIMUM AND 3.970 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3830-00-164-848616451 INTERCHANGEABLE
Cutting Edge,moldboard
Wausau Equipment Company Llc Dba Schmidt Engineering & Equipment Inc Div Wausau Equipment Llc
6210-00-183-0106 INTERCHANGEABLE
Lens,light
5330-00-352-78834F7702 INTERCHANGEABLE
Gasket
Caterpillar Inc Div Caterpillar Defense
2920-00-361-69131861363 INTERCHANGEABLE
Drive,engine,electrical Starter
Stewart & Stevenson Power Products Llc
5905-00-583-87271911067-3 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Honeywell International Inc. Dba Honeywell International
5305-00-943-5281MS35275-222 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3040-01-033-92001645-1 INTERCHANGEABLE
Collar,shaft
Drs Signal Solutions, Inc.
5905-01-396-92850164510001 INTERCHANGEABLE
Resistor,fixed,film
Riimic, Llc Dba Sunair Electronics
8040-01-416-715516-451 INTERCHANGEABLE
Adhesive
Myers Tire Supply Distribution Inc Div Akron Branch
6515-01-591-720705.002.405S INTERCHANGEABLE
Blade,bone Saw,power
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
16451 Ashland Electric Products Inc (USA)
2660-1578-51 PRIMARY Curtiss-Wright Controls Integrated Sensing, Inc. (USA)
Related Parts
3830-00-164-8486INTERCHANGEABLE
CUTTING EDGE,MOLDBOARD
16451
6210-00-183-0106INTERCHANGEABLE
LENS,LIGHT
5330-00-352-7883INTERCHANGEABLE
GASKET
4F7702
2920-00-361-6913INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
1861363
5905-00-583-8727INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
1911067-3
5305-00-943-5281INTERCHANGEABLE
SCREW,MACHINE
MS35275-222
3040-01-033-9200INTERCHANGEABLE
COLLAR,SHAFT
1645-1
5905-01-396-9285INTERCHANGEABLE
RESISTOR,FIXED,FILM
0164510001
8040-01-416-7155INTERCHANGEABLE
ADHESIVE
16-451
6515-01-591-7207INTERCHANGEABLE
BLADE,BONE SAW,POWER
05.002.405S

Frequently Asked Questions

What is NSN 4140-00-628-3546?

NSN 4140-00-628-3546 is a Impeller,fan,axial, manufactured by Curtiss-Wright Controls Integrated Sensing, Inc., classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-628-3546?

NSN 4140-00-628-3546 has 2 cross-referenced part numbers: 16451 (Ashland Electric Products Inc), 2660-1578-51 (Curtiss-Wright Controls Integrated Sensing, Inc.).

What NSN replaces 4140-00-628-3546?

There are 10 known substitutes for 4140-00-628-3546: 3830-00-164-8486, 6210-00-183-0106, 5330-00-352-7883 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2660-1578-51?

Key specifications for 2660-1578-51: Hub Location: CENTER; Attachment Method: TAPER PIN; End Item Identification: 4140-00-624-7275 FAN VANEAXIAL; Material: ALUMINUM ALLOY OVERALL. 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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