The Fan,centrifugal, cataloged under National Stock Number 4140-01-172-2331, 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 3 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-172-2331 |
| Primary Part Number | B3292 |
| Item Name | Fan,centrifugal |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Fm Af, Llc Dba American Fan Company |
| Status | ACTIVE |
| Style Designator | FIXED, RECTANGULAR OUTLETS |
| Surface Treatment | CHROMATE ZINC AND VARNISH BLADE |
| Material | ALUMINUM BLADE |
| 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 |
|---|---|
| B3292 PRIMARY | Fm Af, Llc Dba American Fan Company (USA) |
| Reference | Meaning |
|---|---|
| 9W-78897-CD3292 | C/1 Advisory reference — outside the item-of-supply concept Fm Af, Llc Dba American Fan Company |
| B3292-CW-TH | 5/9 Secondary reference Howden American Fan Company Dba American Fan Co Div Howden Usa Company |
| B3292-CW-TH | 5/9 Secondary reference Fm Af, Llc Dba American Fan Company |
| 9W-78897-CD3292 | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
| 9W-78897 REVISION F | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
| 9W-78897 REVISI 0N F | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4140-01-172-2331 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 4140-01-172-2331 has 1 manufacturer part number on file: B3292 (Fm Af, Llc Dba American Fan Company).
Key specifications for B3292: Style Designator: FIXED, RECTANGULAR OUTLETS; Surface Treatment: CHROMATE ZINC AND VARNISH BLADE; Material: ALUMINUM BLADE. 3 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.