The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-372-2496, 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 Corporation. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-372-2496 |
| Primary Part Number | A55E15009-5 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Aircraft Station Number | FS284.00 |
| Material Document and Classification | QQ-A-250/11 FED SPEC 1ST MATERIAL RESPONSE AND MIL-W-8604 MIL SPEC 2ND MATERIAL RESPONSE |
| Aircraft Location | PILOT DEFOG CANOPY |
| Material | ALUMINUM ALLOY 6061 |
| Aircraft Mission Design Series | F-14D |
| 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 |
|---|---|
| A55E15009-5 | Welding Metallurgy, Inc. (USA) |
| A55E15009-5 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A55E15009-5 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A55E15009-5 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 1660-01-372-2496 is a Duct Assembly,air Conditioning-H, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-372-2496 has 2 manufacturer part numbers on file: A55E15009-5 (Welding Metallurgy, Inc.), A55E15009-5 (Northrop Grumman Systems Corporation).
Key specifications for A55E15009-5: Aircraft Station Number: FS284.00; Material Document and Classification: QQ-A-250/11 FED SPEC 1ST MATERIAL RESPONSE AND MIL-W-8604 MIL SPEC 2ND MATERIAL RESPONSE; Special Features: C/O 1 DEFOG ASSY P/N A55E15009-7,1 DUCT P/N A55E15009-13,22 NUTS P/N A51E15040-13,22 SCREW FIL HEAD P/N MS35275-229,22 WASHER LK SPLIT P/N MS35338-13622,34 BLIND RIVETS P/N NAS1919B04-01,2 BLIND RIVETS P/N NAS1921B04-01,NEXT HIGHER ASSEMBLY; A5M515000; Aircraft Location: PILOT DEFOG CANOPY. 5 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 1660-01-372-2496 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.