The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-352-6944, 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 Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-352-6944 |
| Primary Part Number | DAA3119A451-001 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Aircraft Location | FWD ANCHOR WARM AIR SYSTEM |
| Aircraft Mission Design Series | B-2 PACER SPECIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DAA3119A451-001 PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| DAA3119A451-001 | Federal Industries, Inc. Dba Federal Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| DAA3119A451-001 | 3/9 Design control — primary reference U.S. Government activity |
NSN 1660-01-352-6944 is a Duct Assembly,air Conditioning-H, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-352-6944 has 2 manufacturer part numbers on file: DAA3119A451-001 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), DAA3119A451-001 (Federal Industries, Inc. Dba Federal Industries Inc).
Key specifications for DAA3119A451-001: Special Features: NHA DAA3119B344; C/O 1 WELDMENT,4 BUSHINGS; Aircraft Location: FWD ANCHOR WARM AIR SYSTEM; Part Name Assigned by Controlling Agency: DUCT ASSY, FWD ANCHOS - WARM AIR SYSTEM; Aircraft Mission Design Series: B-2 PACER SPECIAL. 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 1660-01-352-6944 has DEMIL Code D. 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.