The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-174-7157, 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 Legacy Am&m. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-174-7157 |
| Primary Part Number | L8800225-011 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Aircraft Location | RH ATS EXHAUST SYSTEM DUCT ASSEMBLY |
| Aircraft Mission Design Series | B-1B |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| L8800225-011 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| L8800225-011 | Maney Aircraft, Inc. Dba Maney Aircraft (USA) |
| L8800225-011 | Smith and Smith Aircraft Co (USA) |
| L8800225-011 | Kit Pack Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| L8800225-001 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
NSN 1660-01-174-7157 is a Duct Assembly,air Conditioning-H, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-174-7157 has 4 manufacturer part numbers on file: L8800225-011 (The Boeing Company Div Legacy Am&m), L8800225-011 (Maney Aircraft, Inc. Dba Maney Aircraft), L8800225-011 (Smith and Smith Aircraft Co), L8800225-011 (Kit Pack Co., Inc.).
Key specifications for L8800225-011: Special Features: CONSIST OF ONE FLANGE; TWO DUCTS; ONE STOP; TWO RIVETS; NHA L8800201; Aircraft Location: RH ATS EXHAUST SYSTEM DUCT ASSEMBLY; End Item Identification: B-1B AIRCRAFT; Aircraft Mission Design Series: B-1B. 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.
NSN 1660-01-174-7157 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.