The Guard,fan Impeller, cataloged under National Stock Number 4140-01-411-6565, 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 Qualtek Electronics Corp Fan-S Div. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4140-01-411-6565 |
| Primary Part Number | 06450B |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Qualtek Electronics Corp Fan-S Div |
| Status | ACTIVE |
| Mounting Method | HOLE |
| Shape | SQUARE |
| 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 |
|---|---|
| 06450B PRIMARY | Qualtek Electronics Corp Fan-S Div (USA) |
| Reference | Meaning |
|---|---|
| 06450-B | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4140-01-411-6565 is a Guard,fan Impeller, manufactured by Qualtek Electronics Corp Fan-S Div, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-411-6565 has 1 manufacturer part number on file: 06450B (Qualtek Electronics Corp Fan-S Div).
1 possible match (shared part number, not a government interchangeability claim): 6130-01-478-0121. Verify interchangeability with system specifications before substitution.
Key specifications for 06450B: Mounting Method: HOLE; Shape: SQUARE. 2 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.