The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-161-0577, 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1 specification, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-161-0577 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| Supplementary Features | FUNCTIONAL DESCRIPTION:VENTURI |
| 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 |
|---|---|
| 1660PL1540405 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 16Y118-3 | 5/9 Secondary reference Regal Machine & Engineering Inc |
| 16Y118-3 | 3/2 Design control — primary reference U.S. Government activity |
| 16Y118-3 | 5/9 Secondary reference Aero Metal Forms Inc |
| 16Y118-3 | 5/9 Secondary reference G. S. E. Dynamics, Inc. Dba Gse Dynamics |
| 16Y118-3 | 5/9 Secondary reference Tube Mfg Intl Inc Aerospace Div |
NSN 1660-01-161-0577 is a Duct Assembly,air Conditioning-H, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
Key specifications for 1660-01-161-0577: Supplementary Features: FUNCTIONAL DESCRIPTION:VENTURI; Special Features: C/O-JOINT-1,FLANGE-3,DUCT-1,SHELL-2,ADAPTER-1,INSULATION,FABRIC;PRESSURE TESTED TO 855 PSIG AT ROOM TEMP;FUNCTION-BLEED AIR-ENVIRONMENTAL CONTROL SYSTEM; End Item Identification: F-16 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 1660-01-161-0577 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.