The Impeller,fan,axial, cataloged under National Stock Number 4140-01-565-5536, 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 Miller Electric Mfg. Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-565-5536 |
| Primary Part Number | 166 570 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Miller Electric Mfg. Llc |
| Status | ACTIVE |
| Style Designator | ROUNDED TIP |
| Attachment Method | SETSCREW |
| Diameter | 9.000 INCHES NOMINAL IN |
| Blade Quantity | 5 |
| Mounting Bolt Circle Diameter | 0.500 INCHES NOMINAL IN |
| Hub Location | CENTER |
| 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 |
|---|---|
| 166 570 PRIMARY | Miller Electric Mfg. Llc (USA) |
| Reference | Meaning |
|---|---|
| 166 570 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
NSN 4140-01-565-5536 is a Impeller,fan,axial, manufactured by Miller Electric Mfg. Llc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-565-5536 has 1 manufacturer part number on file: 166 570 (Miller Electric Mfg. Llc).
Key specifications for 166 570: Style Designator: ROUNDED TIP; Attachment Method: SETSCREW; Diameter: 9.000 INCHES NOMINAL IN; Blade Quantity: 5. 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.