The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-506-9840, 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 Saint Gobain Performance Plastics Corp Div Aerospace Components. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-506-9840 |
| Primary Part Number | FD5110-503 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Saint Gobain Performance Plastics Corp Div Aerospace Components |
| Status | ACTIVE |
| Aircraft Station Number | Y450.250 |
| Aircraft Location | AIRCREW COMPARTMENT |
| Aircraft Mission Design Series | C-17A AIRCRAFT A |
| 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 |
|---|---|
| FD5110-503 PRIMARY | Saint Gobain Performance Plastics Corp Div Aerospace Components (USA) |
| Reference | Meaning |
|---|---|
| 17B1N4083-519 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 1660-01-506-9840 is a Duct Assembly,air Conditioning-H, manufactured by Saint Gobain Performance Plastics Corp Div Aerospace Components, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-506-9840 has 1 manufacturer part number on file: FD5110-503 (Saint Gobain Performance Plastics Corp Div Aerospace Components).
Key specifications for FD5110-503: Aircraft Station Number: Y450.250; Aircraft Location: AIRCREW COMPARTMENT; Aircraft Mission Design Series: C-17A AIRCRAFT A. 3 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.