The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-170-1208, 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 Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-170-1208 |
| Primary Part Number | 47A105-3 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 7-116320021-5 | The Boeing Company (USA) |
| 47A105-3 PRIMARY | Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc (USA) |
| Reference | Meaning |
|---|---|
| 7-116320021-5 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 1660-01-170-1208 is a Duct Assembly,air Conditioning-H, manufactured by Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-170-1208 has 2 manufacturer part numbers on file: 7-116320021-5 (The Boeing Company), 47A105-3 (Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc).
Key specifications for 47A105-3: Overall Length: 2.470 INCHES MINIMUM AND 2.530 INCHES MAXIMUM IN; Special Features: 2.070 IN. MINIMUM AND 2.130 IN. MAXIMUM DIAMETER IN. 0 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 1660-01-170-1208 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.