The Fan,centrifugal, cataloged under National Stock Number 4140-01-480-0872, 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 Fm Af, Llc Dba American Fan Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-480-0872 |
| Primary Part Number | R1-8173 CD-3469 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Fm Af, Llc Dba American Fan Company |
| Status | ACTIVE |
| Outlet Location | TOP |
| Length | 27.438 INCHES NOMINAL IN |
| Drive Type | DIRECT |
| Outlet Inside Diameter | 16.125 INCHES NOMINAL IN |
| Style Designator | FIXED |
| Height | 24.688 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Width | 27.875 INCHES MINIMUM IN |
| Material | ALUMINUM OVERALL |
| Prime Mover Type | ELECTRIC MOTOR |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| 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 |
|---|---|
| R1-8173 CD-3469 PRIMARY | Fm Af, Llc Dba American Fan Company (USA) |
| Reference | Meaning |
|---|---|
| R1-8173 | D/9 Drawing number reference only New Philadelphia Fan Co Buffalo Forge Marine Fans |
| R1-8173 CD-3469 | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
NSN 4140-01-480-0872 is a Fan,centrifugal, manufactured by Fm Af, Llc Dba American Fan Company, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-480-0872 has 1 manufacturer part number on file: R1-8173 CD-3469 (Fm Af, Llc Dba American Fan Company).
Key specifications for R1-8173 CD-3469: Outlet Location: TOP; Length: 27.438 INCHES NOMINAL IN; Drive Type: DIRECT; Outlet Inside Diameter: 16.125 INCHES NOMINAL IN. 11 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.