PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S2-1201-2Impeller,fan,axial

W.w. Grainger, Inc. Div Government Sales Division · NSN 4140-00-019-4686 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-019-4686 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-019-4686. Primary manufacturer part number: S2-1201-2.
Features
  • Impeller,fan,axial — FSC 4140
  • Blade Quantity: 4
  • Attachment Method: SETSCREW
  • Rotation Direction for Which Designed: CLOCKWISE OR COUNTERCLOCKWISE
  • Hub Location: FRONT
  • Material: ALUMINUM BLADE
  • Diameter: 4.000 INCHES NOMINAL IN
  • Style Designator: STRAIGHT TIP
Applications
  • Applications requiring Aluminum Blade construction
General Description

The Impeller,fan,axial, cataloged under National Stock Number 4140-00-019-4686, 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 W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 7 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-00-019-4686
Primary Part NumberS2-1201-2
Item NameImpeller,fan,axial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerW.w. Grainger, Inc. Div Government Sales Division
StatusACTIVE
Blade Quantity4
Attachment MethodSETSCREW
Rotation Direction for Which DesignedCLOCKWISE OR COUNTERCLOCKWISE
Hub LocationFRONT
MaterialALUMINUM BLADE
Diameter4.000 INCHES NOMINAL IN
Style DesignatorSTRAIGHT TIP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4140-00-167-4712 INTERCHANGEABLE
Impeller,fan,axial
4140-00-801-8487 INTERCHANGEABLE
Impeller,fan,axial
Cross-Reference Index
Part NumberManufacturer
S2-1201-2 PRIMARY W.w. Grainger, Inc. Div Government Sales Division (USA)
0-443-4 Regal-Beloit Corporation Dba Fasco Group Div Cassville Division (USA)
Related Parts
4140-00-167-4712INTERCHANGEABLE
IMPELLER,FAN,AXIAL
4140-00-801-8487INTERCHANGEABLE
IMPELLER,FAN,AXIAL

Frequently Asked Questions

What is NSN 4140-00-019-4686?

NSN 4140-00-019-4686 is a Impeller,fan,axial, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-019-4686?

NSN 4140-00-019-4686 has 2 cross-referenced part numbers: S2-1201-2 (W.w. Grainger, Inc. Div Government Sales Division), 0-443-4 (Regal-Beloit Corporation Dba Fasco Group Div Cassville Division).

What NSN replaces 4140-00-019-4686?

There are 2 known substitutes for 4140-00-019-4686: 4140-00-167-4712, 4140-00-801-8487. Verify interchangeability with system specifications before substitution.

What are the specifications of S2-1201-2?

Key specifications for S2-1201-2: Blade Quantity: 4; Attachment Method: SETSCREW; Rotation Direction for Which Designed: CLOCKWISE OR COUNTERCLOCKWISE; Hub Location: FRONT. 7 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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