PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1830-4CWImpeller,fan,axial

Regal-Beloit Corporation Dba Fasco Group Div Cassville Division · NSN 4140-00-618-4980 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-618-4980 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-618-4980. Primary manufacturer part number: S1830-4CW.
Features
  • Impeller,fan,axial — FSC 4140
  • Style Designator: ROUNDED TIP
  • Material: ALUMINUM BLADE
  • Hub Location: FRONT
  • Diameter: 17.950 INCHES MINIMUM AND 18.050 INCHES MAXIMUM IN
  • Rotation Direction for Which Designed: CLOCKWISE
  • Attachment Method: KEYWAY AND SETSCREW
  • Blade Quantity: 4
Applications
  • Applications requiring Aluminum Blade construction
General Description

The Impeller,fan,axial, cataloged under National Stock Number 4140-00-618-4980, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-00-618-4980
Primary Part NumberS1830-4CW
Item NameImpeller,fan,axial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerRegal-Beloit Corporation Dba Fasco Group Div Cassville Division
StatusACTIVE
Style DesignatorROUNDED TIP
MaterialALUMINUM BLADE
Hub LocationFRONT
Diameter17.950 INCHES MINIMUM AND 18.050 INCHES MAXIMUM IN
Rotation Direction for Which DesignedCLOCKWISE
Attachment MethodKEYWAY AND SETSCREW
Blade Quantity4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6660-00-035-8663A6605 INTERCHANGEABLE
Wormshaft
L3 Technologies, Inc.
5950-00-148-1373666230-328 INTERCHANGEABLE
Transformer,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
4920-00-574-620023458 INTERCHANGEABLE
Indicator,altitude
Elbitamerica, Inc.
5977-00-636-461010451 INTERCHANGEABLE
Brush,electrical Contact
Miraj Corp
2910-00-844-098223458 INTERCHANGEABLE
Plunger,pump,hand Pumping
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5120-01-608-558423458 INTERCHANGEABLE
Adapter,socket Wrench
Prox-Tech, Inc. Dba Proxxon Tools
Cross-Reference Index
Part NumberManufacturer
23458 Howden Fluid Systems (USA)
S1830-4CW PRIMARY Regal-Beloit Corporation Dba Fasco Group Div Cassville Division (USA)
A6605 Regal-Beloit Corporation Dba Fasco Group Div Cassville Division (USA)
23458 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
Related Parts
6660-00-035-8663INTERCHANGEABLE
WORMSHAFT
A6605
5950-00-148-1373INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
666230-328
4920-00-574-6200INTERCHANGEABLE
INDICATOR,ALTITUDE
23458
5977-00-636-4610INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
10451
2910-00-844-0982INTERCHANGEABLE
PLUNGER,PUMP,HAND PUMPING
23458
5120-01-608-5584INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
23458

Frequently Asked Questions

What is NSN 4140-00-618-4980?

NSN 4140-00-618-4980 is a Impeller,fan,axial, 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 4140-00-618-4980?

NSN 4140-00-618-4980 has 4 cross-referenced part numbers: 23458 (Howden Fluid Systems), S1830-4CW (Regal-Beloit Corporation Dba Fasco Group Div Cassville Division), A6605 (Regal-Beloit Corporation Dba Fasco Group Div Cassville Division), 23458 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).

What NSN replaces 4140-00-618-4980?

There are 6 known substitutes for 4140-00-618-4980: 6660-00-035-8663, 5950-00-148-1373, 4920-00-574-6200 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S1830-4CW?

Key specifications for S1830-4CW: Style Designator: ROUNDED TIP; Material: ALUMINUM BLADE; Hub Location: FRONT; Diameter: 17.950 INCHES MINIMUM AND 18.050 INCHES MAXIMUM IN. 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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