The Terminal,ventilation Duct, cataloged under National Stock Number 1560-01-304-5477, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is The Boeing Company Div Defense. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1560-01-304-5477 |
| Primary Part Number | 74A322603-2011 |
| Item Name | Terminal,ventilation Duct |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 74A322603-2011 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 74A322603-2011 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10130637 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 1560-01-304-5477 is a Terminal,ventilation Duct, manufactured by The Boeing Company Div Defense, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-304-5477 has 2 manufacturer part numbers on file: 74A322603-2011 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 74A322603-2011 (The Boeing Company Div Defense).
Key specifications for 74A322603-2011: Part Name Assigned by Controlling Agency: LOUVER,METAL-COOLING SYS EXHAUST, FWD; End Item Identification: AIRCRAFT MODEL F-18. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1560-01-304-5477 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.