The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-015-3495, 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 Grumman Corp Div Aircraft Systems. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-015-3495 |
| Primary Part Number | 134EC75039-1 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Grumman Corp Div Aircraft Systems |
| Status | ACTIVE |
| Material Document and Classification | WW-T-700/4 FED SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| 134EC75039-1 PRIMARY | Grumman Corp Div Aircraft Systems (USA) |
| Reference | Meaning |
|---|---|
| 134EC75039-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1660-01-015-3495 is a Duct Assembly,air Conditioning-H, manufactured by Grumman Corp Div Aircraft Systems, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-015-3495 has 1 manufacturer part number on file: 134EC75039-1 (Grumman Corp Div Aircraft Systems).
Key specifications for 134EC75039-1: Material Document and Classification: WW-T-700/4 FED SPEC SINGLE MATERIAL RESPONSE; Material: ALUMINUM ALLOY 5052. 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 1660-01-015-3495 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.