The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-545-1443, 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 Hbd Industries, Inc Div Hbd/thermoid Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-545-1443 |
| Primary Part Number | AD964-3 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Hbd Industries, Inc Div Hbd/thermoid Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| AD964-3 PRIMARY | Hbd Industries, Inc Div Hbd/thermoid Inc (USA) |
NSN 1660-01-545-1443 is a Duct Assembly,air Conditioning-H, manufactured by Hbd Industries, Inc Div Hbd/thermoid Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-545-1443 has 1 manufacturer part number on file: AD964-3 (Hbd Industries, Inc Div Hbd/thermoid Inc).
Key specifications for AD964-3: Overall Length: 5.700 INCHES NOMINAL IN; Special Features: NEOPRENE CONVOLUTED; 5 IN. ID IN. 0 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.