The Impeller,fan,axial, cataloged under National Stock Number 4140-01-085-1816, 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 Rolls-Royce Solutions America Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-085-1816 |
| Primary Part Number | 5142041 |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 6 |
| Style Designator | STRAIGHT TIP |
| Attachment Method | BOLT HOLE |
| Blade Quantity | 6 |
| 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 |
|---|---|
| 5142041 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| EE105865 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Defense Llc |
| EE105865 | 5/9 Secondary reference Oshkosh Corp |
NSN 4140-01-085-1816 is a Impeller,fan,axial, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-085-1816 has 1 manufacturer part number on file: 5142041 (Rolls-Royce Solutions America Inc).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-428-7635. Verify interchangeability with system specifications before substitution.
Key specifications for 5142041: Mounting Hole Quantity: 6; Style Designator: STRAIGHT TIP; Attachment Method: BOLT HOLE; Blade Quantity: 6. 4 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.