The Guard,fan Impeller, cataloged under National Stock Number 4140-01-477-4566, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Kohler Co.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-477-4566 |
| Primary Part Number | 225616 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Kohler Co. |
| Status | ACTIVE |
| Overall Diameter | 12.750 INCHES NOMINAL IN |
| Mounting Method | HOLE |
| Shape | RECTANGULAR |
| Body Material | STEEL CORROSION RESISTING |
| Surface Treatment | PAINT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 225616 PRIMARY | Kohler Co. (USA) |
NSN 4140-01-477-4566 is a Guard,fan Impeller, manufactured by Kohler Co., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-477-4566 has 1 manufacturer part number on file: 225616 (Kohler Co.).
Key specifications for 225616: Overall Height: 21.250 INCHES NOMINAL IN; Overall Diameter: 12.750 INCHES NOMINAL IN; Mounting Method: HOLE; Shape: RECTANGULAR. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.