The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-373-5669, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-373-5669 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Aircraft Location | FORWARD FUSELAGE |
| Material | ALUMINUM ALLOY 6061 |
| Hole Quantity | 11 |
| Side for Which Designed | BOTH SIDES |
| Aircraft Mission Design Series | C-130 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3341003-11 | 5/9 Secondary reference Lockheed Martin Services, Llc |
| 3341003-11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-373-5669 is a Duct Assembly,air Conditioning-H, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
Key specifications for 1660-01-373-5669: Material Document and Classification: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE; Aircraft Location: FORWARD FUSELAGE; End Item Identification: C-130 CARGO AIRCRAFT; Material: ALUMINUM ALLOY 6061. 6 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 1660-01-373-5669 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.