The Impeller,fan,axial, cataloged under National Stock Number 4140-00-101-7803, 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 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-00-101-7803 |
| Primary Part Number | K275272 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Fm Af, Llc Dba American Fan Company |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Style Designator | ROUNDED TIP |
| Attachment Method | THREADED |
| Mounting Hole Diameter | 0.196 INCHES MINIMUM AND 0.207 INCHES MAXIMUM IN |
| Diameter | 7.953 INCHES NOMINAL IN |
| Blade Quantity | 4 |
| Mounting Bolt Circle Diameter | 1.500 INCHES NOMINAL IN |
| Hub Location | BACK |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| K275272 PRIMARY | Fm Af, Llc Dba American Fan Company (USA) |
| Reference | Meaning |
|---|---|
| 275272 | 5/9 Secondary reference Davey Compressor Co Div of Keco Industries Inc |
| 275272 | 5/9 Secondary reference Kidde-Fenwal, Llc |
| K275272 | 3/9 Design control — primary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
NSN 4140-00-101-7803 is a Impeller,fan,axial, manufactured by Fm Af, Llc Dba American Fan Company, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-101-7803 has 1 manufacturer part number on file: K275272 (Fm Af, Llc Dba American Fan Company).
Key specifications for K275272: Mounting Hole Quantity: 2; Style Designator: ROUNDED TIP; Attachment Method: THREADED; Mounting Hole Diameter: 0.196 INCHES MINIMUM AND 0.207 INCHES MAXIMUM IN. 8 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.
NSN 4140-00-101-7803 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.