The Impeller,fan,axial, cataloged under National Stock Number 4140-00-853-3889, 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 Air Turbine Propeller Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-00-853-3889 |
| Primary Part Number | MC22-34 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Air Turbine Propeller Co |
| Status | ACTIVE |
| Style Designator | OVERLAPPING ROUNDED TIP |
| Attachment Method | KEYWAY |
| Diameter | 22.000 INCHES NOMINAL IN |
| Blade Quantity | 4 |
| Hub Location | CENTER |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| G52469 | Thermal Engineering International (usa) Inc. (USA) |
| MC22-34 PRIMARY | Air Turbine Propeller Co (USA) |
| Reference | Meaning |
|---|---|
| G52469 | 5/9 Secondary reference Thermal Engineering International Usa Inc |
| G52469 | 5/2 Secondary reference U.S. Government activity |
NSN 4140-00-853-3889 is a Impeller,fan,axial, manufactured by Air Turbine Propeller Co, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-853-3889 has 2 manufacturer part numbers on file: G52469 (Thermal Engineering International (usa) Inc.), MC22-34 (Air Turbine Propeller Co).
Key specifications for MC22-34: Style Designator: OVERLAPPING ROUNDED TIP; Attachment Method: KEYWAY; Diameter: 22.000 INCHES NOMINAL IN; Blade Quantity: 4. 6 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.