PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

225619Guard,fan Impeller

Kohler Co. · NSN 4140-01-477-2512 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-477-2512 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-477-2512. Primary manufacturer part number: 225619.
Features
  • Guard,fan Impeller — FSC 4140
  • Mounting Method: SPRING CLIP
  • Surface Treatment: ZINC
  • Mounting Hardware and Quantity: 5/16-18 WELDNUT 2
  • Body Material: STEEL
  • Shape: RECTANGULAR
  • 1 verified cross-reference
  • Primary manufacturer: Kohler Co.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Guard,fan Impeller, cataloged under National Stock Number 4140-01-477-2512, 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 Kohler Co.. Government technical data includes 5 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-01-477-2512
Primary Part Number225619
Item NameGuard,fan Impeller
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerKohler Co.
StatusACTIVE
Mounting MethodSPRING CLIP
Surface TreatmentZINC
Mounting Hardware and Quantity5/16-18 WELDNUT 2
Body MaterialSTEEL
ShapeRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-223-3686 INTERCHANGEABLE
Poppet,guide
Cross-Reference Index
Part NumberManufacturer
225619 PRIMARY Kohler Co. (USA)
Related Parts
4820-01-223-3686INTERCHANGEABLE
POPPET,GUIDE

Frequently Asked Questions

What is NSN 4140-01-477-2512?

NSN 4140-01-477-2512 is a Guard,fan Impeller, manufactured by Kohler Co., classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-477-2512?

NSN 4140-01-477-2512 has 1 cross-referenced part number: 225619 (Kohler Co.).

What NSN replaces 4140-01-477-2512?

There is 1 known substitute for 4140-01-477-2512: 4820-01-223-3686. Verify interchangeability with system specifications before substitution.

What are the specifications of 225619?

Key specifications for 225619: Mounting Method: SPRING CLIP; Special Features: 0.078 STEEL WIRE; Overall Width: 3.410 INCHES NOMINAL IN; Surface Treatment: ZINC. 9 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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