The Separator,water,aircraft Air Con, cataloged under National Stock Number 1660-01-681-3109, 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 Div Northrop Grumman Aeronautics Systems. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Separator,water,aircraft Air Con |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (CAGE 70974) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-681-3109 |
| Primary Part Number | 1665311-1 |
| Item Name | Separator,water,aircraft Air Con |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems |
| 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 |
|---|---|
| 1665311-1 | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| 1665311-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-681-3109 is a Separator,water,aircraft Air Con, manufactured by Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-681-3109 has 1 manufacturer part number on file: 1665311-1 (Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems).
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 1660-01-681-3109 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.