The Duct,bellmouth, cataloged under National Stock Number 1650-01-407-1857, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-407-1857 |
| Primary Part Number | 7406-06601-7 |
| Item Name | Duct,bellmouth |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies |
| Status | ACTIVE |
| Overall Diameter | 11.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 7406-06601-7 PRIMARY | L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies (USA) |
| Reference | Meaning |
|---|---|
| 7406-06601 | D/9 Drawing number reference only L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies |
NSN 1650-01-407-1857 is a Duct,bellmouth, manufactured by L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-407-1857 has 1 manufacturer part number on file: 7406-06601-7 (L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies).
Key specifications for 7406-06601-7: Overall Height: 2.540 INCHES NOMINAL IN; Overall Diameter: 11.250 INCHES NOMINAL IN; Material: ALUMINUM ALLOY. 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.