The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-605-9012, 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. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-605-9012 |
| Primary Part Number | 901-325-334-119 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Aircraft Location | CABIN |
| Material | GLASS FIBER |
| Aircraft Mission Design Series | V-22 |
| 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 |
|---|---|
| 901-325-334-119 PRIMARY | The Boeing Company (USA) |
| BWT30957-19 | Senior Uk Limited Div Senior Aerospace Bwt (GBR) |
| Reference | Meaning |
|---|---|
| 901-325-334 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
| 901-325-334-119-101 | 5/9 Secondary reference The Boeing Company |
NSN 1660-01-605-9012 is a Duct Assembly,air Conditioning-H, manufactured by The Boeing Company, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-605-9012 has 2 manufacturer part numbers on file: 901-325-334-119 (The Boeing Company), BWT30957-19 (Senior Uk Limited Div Senior Aerospace Bwt).
Key specifications for 901-325-334-119: Aircraft Location: CABIN; Part Name Assigned by Controlling Agency: DUCT ASSEMBLY-TROOP SEAT DROPDOWN, RHS AND LHS; End Item Identification: V-22 EBOM; Material: GLASS FIBER. 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.
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.