The Impeller,fan,axial, cataloged under National Stock Number 4140-01-173-2266, 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 Schwitzer Engine Components a Household Intl Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4140-01-173-2266 |
| Primary Part Number | 916769 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Schwitzer Engine Components a Household Intl Co |
| Status | ACTIVE |
| Mounting Hole Quantity | 6 |
| Style Designator | STRAIGHT TIP |
| Attachment Method | BOLT HOLE |
| Mounting Hole Diameter | 0.40 MILLIMETERS NOMINAL MM |
| Diameter | 26.0 MILLIMETERS NOMINAL MM |
| Blade Quantity | 6 |
| Mounting Bolt Circle Diameter | 3.50 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 916769 PRIMARY | Schwitzer Engine Components a Household Intl Co (USA) |
| SK-3750 | Schwitzer Engine Components a Household Intl Co (USA) |
| Reference | Meaning |
|---|---|
| M1124270C1 | 5/1 Secondary reference Komatsu America Corp. |
| M1124270C1 | 5/9 Secondary reference Komatsu American Intl Co |
NSN 4140-01-173-2266 is a Impeller,fan,axial, manufactured by Schwitzer Engine Components a Household Intl Co, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-173-2266 has 2 manufacturer part numbers on file: 916769 (Schwitzer Engine Components a Household Intl Co), SK-3750 (Schwitzer Engine Components a Household Intl Co).
Key specifications for 916769: Mounting Hole Quantity: 6; Style Designator: STRAIGHT TIP; Attachment Method: BOLT HOLE; Mounting Hole Diameter: 0.40 MILLIMETERS NOMINAL MM. 7 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.