The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-00-032-3501, 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 Northrop Grumman Systems Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-032-3501 |
| Primary Part Number | 123EC10168-501 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY 5052 |
| 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 |
|---|---|
| 123EC10168-501 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 123EC10168-501 | D F P Manufacturing Corp Dba D F P (USA) |
| Reference | Meaning |
|---|---|
| 123EC10168-501 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1660-00-032-3501 is a Duct Assembly,air Conditioning-H, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-032-3501 has 2 manufacturer part numbers on file: 123EC10168-501 (Northrop Grumman Systems Corporation), 123EC10168-501 (D F P Manufacturing Corp Dba D F P).
Key specifications for 123EC10168-501: Special Features: ALUMINUM ALLOY 5052;W-W-T-700/4;18.375 IN LG;P/N 123EC10168-11;INSULATION P/N 123EC10168-511;TAPE P/N GT535C9 IN; End Item Identification: E-2C AIRCRAFT; Material: ALUMINUM ALLOY 5052. 1 specification is 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 1660-00-032-3501 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.