The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-00-795-9208, 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 Royal Engineered Composites, Inc.. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-795-9208 |
| Primary Part Number | 346448-9 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Royal Engineered Composites, 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 |
|---|---|
| 346448-9 | Royal Engineered Composites, Inc. (USA) |
| 346448-9 | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| 346449-9 | Aero Space Composites Llc Dba Aerospace Composites (USA) |
| 3-1929-501 | Arrowhead Products Corp (USA) |
| Reference | Meaning |
|---|---|
| 346448-9 | 5/1 Secondary reference Aero Space Composites Llc Dba Aerospace Composites |
| 346448-9 | 5/9 Secondary reference Arrowhead Products Corp |
| 346448-9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-00-795-9208 is a Duct Assembly,air Conditioning-H, manufactured by Royal Engineered Composites, Inc., classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-795-9208 has 4 manufacturer part numbers on file: 346448-9 (Royal Engineered Composites, Inc.), 346448-9 (Kirkhill, Inc. Dba Kirkhill Inc), 346449-9 (Aero Space Composites Llc Dba Aerospace Composites), 3-1929-501 (Arrowhead Products Corp).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-474-5787. Verify interchangeability with system specifications before substitution.
Key specifications for 346448-9: Special Features: FIBERGLASS; End Item Identification: ACFT MODEL C-130. 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.