The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-184-1760, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-184-1760 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| Aircraft Station Number | FS168.0 |
| Material Document and Classification | 299-947-316,TY I MFR REF ALL MATERIAL RESPONSES |
| Material Thickness | 0.100 INCHES NOMINAL IN |
| Aircraft Location | WINDSHIELD |
| Material | PLASTIC |
| Hole Quantity | 1 |
| Side for Which Designed | LEFT SIDE |
| Furnished Items | SPACER |
| Aircraft Mission Design Series | OH-58D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 406-073-720-105 | 3/2 Design control — primary reference U.S. Government activity |
| 406-073-720-101 | 5/9 Secondary reference U.S. Government activity |
NSN 1660-01-184-1760 is a Duct Assembly,air Conditioning-H, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
Key specifications for 1660-01-184-1760: Aircraft Station Number: FS168.0; Material Document and Classification: 299-947-316,TY I MFR REF ALL MATERIAL RESPONSES; Material Thickness: 0.100 INCHES NOMINAL IN; Aircraft Location: WINDSHIELD. 9 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.