The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-034-9626, 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 Globe Engineering Co., Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-034-9626 |
| Primary Part Number | 204-68402-9 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Globe Engineering Co., Inc |
| Status | ACTIVE |
| Aircraft Location | BLEED AIR DUCT |
| Aircraft Mission Design Series | E-3A A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 204-68402-9 | Globe Engineering Co., Inc (USA) |
| 204-68402-9 | Tect Hypervelocity, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 204-68402-9 | 3/2 Design control — primary reference U.S. Government activity |
| 204-68402-9 | 5/9 Secondary reference Gec Precision Corp Welco Div |
NSN 1660-01-034-9626 is a Duct Assembly,air Conditioning-H, manufactured by Globe Engineering Co., Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-034-9626 has 2 manufacturer part numbers on file: 204-68402-9 (Globe Engineering Co., Inc), 204-68402-9 (Tect Hypervelocity, Inc.).
Key specifications for 204-68402-9: Overall Length: 93.110 INCHES NOMINAL IN; Special Features: 4.000 IN OD,3.960 IN ID IN; Aircraft Location: BLEED AIR DUCT; Aircraft Mission Design Series: E-3A A. 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 1660-01-034-9626 has DEMIL Code Q. 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.