The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-189-1500, 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 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-189-1500 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| Supplementary Features | FUNCTIONAL DESCRIPTION:DUCT,BLEED AIR |
| 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 |
| Reference | Meaning |
|---|---|
| 16Y164-3 | 5/9 Secondary reference U.S. Government activity |
| 16Y164-5 | 3/2 Design control — primary reference U.S. Government activity |
| 16Y164-5 | 5/9 Secondary reference Aero Metal Forms Inc |
| 16Y164-1 | 5/9 Secondary reference U.S. Government activity |
NSN 1660-01-189-1500 is a Duct Assembly,air Conditioning-H, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
Key specifications for 1660-01-189-1500: Supplementary Features: FUNCTIONAL DESCRIPTION:DUCT,BLEED AIR; Special Features: SUPERCEDED -3 OW;C/O--13 SHELLS PER FMS-1024 STYLE 181,-15 SHELL PER FMS-1024 STYLE 181,-19 DUCT ASSY,-21 SHELL,JOINT,INSULATION,TAPE,ADHESIVE;LOCATION-EMERGENCY POWER UNIT;NHA-16Y011-3;EFF ON-5C 0001 9999; End Item Identification: F-16C/D USAF AIRCRAFT. 1 specification is 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 1660-01-189-1500 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.