The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-547-0779, 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 The Boeing Company Div Defense. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-547-0779 |
| Primary Part Number | 75A832606-1003 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Material Thickness | 0.028 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN |
| Material | STEEL COMP 321 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 75A832606-1003 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 1660-01-547-0779 is a Duct Assembly,air Conditioning-H, manufactured by The Boeing Company Div Defense, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-547-0779 has 1 manufacturer part number on file: 75A832606-1003 (The Boeing Company Div Defense).
Key specifications for 75A832606-1003: Material Thickness: 0.028 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN; Special Features: INCLUDES MCDONNELL DOUGLAS PN 75A832606-2003, DUCT, 2.500 IN. OUTSIDE DIAMETER(OD) BY 2.250 IN. LENGTH; PN 75A832606-2005, DUCT, 0.750 IN. OD. BY 5.000 IN. LENGTH; PN 75A832606-2009, DUCT, 2.500 IN. OD. BY 10.500 IN. LENGTH; PN 75A832606-2011, DUCT, 1.500 IN. OD. BY 5.000 IN. LENGTH; PN 75A832638-2001, FLANGE; PN 75A832658-2001, FLANGE; PNST7M389-06-06, SLEEVE, QUANTITY 5; PNST7M407-24C, COUPLING, QUANTITY 5; NSN 7690010053461; MAXIMUM OPERATING PRESSURE 19.0 PSIG; MAXIMUM OPERATING TEMPERATURE 725.0 DEGREES F; NEXT HIGHER ASSEMBLY 75A832709 IN; Part Name Assigned by Controlling Agency: DUCT ASSEMBLY, MIXING-REFRIGERATION PKG.; End Item Identification: P53 HARRIER AIRCRAFT. 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 1660-01-547-0779 has DEMIL Code B. 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.