The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 1660-01-039-4347, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-039-4347 |
| Primary Part Number | 18-54921-7 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 1660 / 16 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Aircraft Mission Design Series | F-5F |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NH1002113-7 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 18-54921-7 | Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector (USA) |
| 18-54921-7 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| NH1002113-7 | Fmh Aerospace Corp. (USA) |
| 18-54921-7 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 17210-7 | Fmh Aerospace Corp. (USA) |
| 18-54291-7 | Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector (USA) |
NSN 1660-01-039-4347 is a Duct Assembly,air Conditioning-H, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1660 (No Item Name Available). Status: active.
NSN 1660-01-039-4347 has 7 cross-referenced part numbers: NH1002113-7 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 18-54921-7 (Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector), 18-54921-7 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), NH1002113-7 (Fmh Aerospace Corp.), 18-54921-7 (Northrop Grumman Systems Corporation) and 2 more.
There is 1 known substitute for 1660-01-039-4347: 5331-01-351-2748. Verify interchangeability with system specifications before substitution.
Key specifications for 18-54921-7: End Item Identification: F-5F AIRCRAFT; Aircraft Mission Design Series: F-5F. 2 total characteristics are documented in the Federal Logistics Information System.