PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300-128Impeller,fan,centrifugal

Regal-Beloit Corporation Dba Fasco Group Div Cassville Division · NSN 4140-00-202-7880 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-202-7880 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-202-7880. Primary manufacturer part number: 300-128.
Features
  • Impeller,fan,centrifugal — FSC 4140
  • Style Designator: STRAIGHT RADIAL W/ BACK PLATE
  • Blade Quantity: 24
  • Attachment Method: SETSCREW
  • Rotation Direction for Which Designed: COUNTERCLOCKWISE
  • Material: ALUMINUM BLADE
  • Diameter: 3.000 INCHES NOMINAL IN
  • Width: 1.875 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Blade construction
General Description

The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-00-202-7880, 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 Regal-Beloit Corporation Dba Fasco Group Div Cassville Division. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4140-00-202-7880
Primary Part Number300-128
Item NameImpeller,fan,centrifugal
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerRegal-Beloit Corporation Dba Fasco Group Div Cassville Division
StatusACTIVE
Style DesignatorSTRAIGHT RADIAL W/ BACK PLATE
Blade Quantity24
Attachment MethodSETSCREW
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
MaterialALUMINUM BLADE
Diameter3.000 INCHES NOMINAL IN
Width1.875 INCHES NOMINAL IN
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY ROTATION DIRECTION AND BORE DIA
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5330-00-178-5134300128 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5950-00-190-5718 INTERCHANGEABLE
Coil,radio Frequency
4140-00-255-92607606586 INTERCHANGEABLE
Impeller,fan,centrifugal
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
4140-00-287-5014300-128 INTERCHANGEABLE
Impeller,fan,centrifugal
Regal-Beloit Corporation Dba Fasco Group Div Cassville Division
4140-00-350-018140340-6 INTERCHANGEABLE
Impeller,fan,centrifugal
The Dewey Electronics Corporation
5815-00-392-2334 INTERCHANGEABLE
Lever
2910-00-424-4959C181-290 INTERCHANGEABLE
Parts Kit,carburetor
Zenith Fuel Systems Llc
6350-01-045-00003001-28 INTERCHANGEABLE
Sensing Element,fire Detector Sy
The Boeing Company Div Defense
4810-01-479-1006801936 INTERCHANGEABLE
Valve,solenoid
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
4730-01-529-4247300 128 H B INTERCHANGEABLE
Clamp,hose
Norma Pennsylvania Inc. Div Breeze Industrial Products
Cross-Reference Index
Part NumberManufacturer
300-128 Regal-Beloit Corporation Dba Fasco Group Div Cassville Division (USA)
Related Parts
5330-00-178-5134INTERCHANGEABLE
SEAL,PLAIN ENCASED
300128
5950-00-190-5718INTERCHANGEABLE
COIL,RADIO FREQUENCY
4140-00-255-9260INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
7606586
4140-00-287-5014INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
300-128
4140-00-350-0181INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
40340-6
5815-00-392-2334INTERCHANGEABLE
LEVER
2910-00-424-4959INTERCHANGEABLE
PARTS KIT,CARBURETOR
C181-290
6350-01-045-0000INTERCHANGEABLE
SENSING ELEMENT,FIRE DETECTOR SY
3001-28
4810-01-479-1006INTERCHANGEABLE
VALVE,SOLENOID
801936
4730-01-529-4247INTERCHANGEABLE
CLAMP,HOSE
300 128 H B
5340-01-609-3423INTERCHANGEABLE
ARM HAND CRANK
300128

Frequently Asked Questions

What is NSN 4140-00-202-7880?

NSN 4140-00-202-7880 is a Impeller,fan,centrifugal, manufactured by Regal-Beloit Corporation Dba Fasco Group Div Cassville Division, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-202-7880?

NSN 4140-00-202-7880 has 1 cross-referenced part number: 300-128 (Regal-Beloit Corporation Dba Fasco Group Div Cassville Division).

What NSN replaces 4140-00-202-7880?

There are 11 known substitutes for 4140-00-202-7880: 5330-00-178-5134, 5950-00-190-5718, 4140-00-255-9260 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300-128?

Key specifications for 300-128: Style Designator: STRAIGHT RADIAL W/ BACK PLATE; Blade Quantity: 24; Attachment Method: SETSCREW; Rotation Direction for Which Designed: COUNTERCLOCKWISE. 8 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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