The Impeller,fan,axial, cataloged under National Stock Number 4140-01-274-4762, 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 Heat Transfer Products Group Llc Div Heat Transfer Products Group. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-274-4762 |
| Primary Part Number | 204395017 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Heat Transfer Products Group Llc Div Heat Transfer Products Group |
| Status | ACTIVE |
| Diameter | 10.000 INCHES NOMINAL IN |
| Material | ALUMINUM OVERALL |
| Rotation Direction for Which Designed | CLOCKWISE |
| 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 |
|---|---|
| 204395017 | Heat Transfer Products Group Llc Div Heat Transfer Products Group (USA) |
| Reference | Meaning |
|---|---|
| 1031 CW | 5/9 Secondary reference Heat Transfer Products Group Llc Div Heat Transfer Products Group |
| 1031 CW | 3/9 Design control — primary reference Russell Coil Co |
| 1031 | C/1 Advisory reference — outside the item-of-supply concept Russell Coil Co |
NSN 4140-01-274-4762 is a Impeller,fan,axial, manufactured by Heat Transfer Products Group Llc Div Heat Transfer Products Group, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-274-4762 has 1 manufacturer part number on file: 204395017 (Heat Transfer Products Group Llc Div Heat Transfer Products Group).
Key specifications for 204395017: Diameter: 10.000 INCHES NOMINAL IN; Material: ALUMINUM OVERALL; Rotation Direction for Which Designed: CLOCKWISE. 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.