The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-252-8225, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-252-8225 |
| Primary Part Number | 75A830609-1003 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Material Document and Classification | QQ-A-250/11 FED SPEC 1ST MATERIAL RESPONSE AND WW-T-700/6 FED SPEC 2ND MATERIAL RESPONSE |
| Material | ALUMINUM ALLOY |
| Aircraft Mission Design Series | AV-8 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 75A830609-1003 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 1660-01-252-8225 is a Duct Assembly,air Conditioning-H, manufactured by The Boeing Company Div Defense, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-252-8225 has 1 manufacturer part number on file: 75A830609-1003 (The Boeing Company Div Defense).
Key specifications for 75A830609-1003: Material Document and Classification: QQ-A-250/11 FED SPEC 1ST MATERIAL RESPONSE AND WW-T-700/6 FED SPEC 2ND MATERIAL RESPONSE; Overall Length: 3.500 INCHES NOMINAL IN; Special Features: 0.930 IN. INSIDE DIAMETER IN; End Item Identification: AV-8 AIRCRAFT. 3 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.
NSN 1660-01-252-8225 has DEMIL Code B. 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.