The Valve Assembly,environmental Con, cataloged under National Stock Number 1660-01-666-9310, 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 Falcon Aero Manufacturing, Llc Div Falcon Aero Mfg. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Valve Assembly,environmental Con |
| FSC / FSG | 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16) |
| Manufacturers | The Boeing Company (CAGE 8V613); Falcon Aero Manufacturing, Llc Div Falcon Aero Mfg (CAGE 687A9) |
| Parameter | Value |
|---|---|
| NSN | 1660-01-666-9310 |
| Primary Part Number | 6009-003 |
| Item Name | Valve Assembly,environmental Con |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Falcon Aero Manufacturing, Llc Div Falcon Aero Mfg |
| 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 |
|---|---|
| 7-611A21526-003 | The Boeing Company (USA) |
| 6009-003 PRIMARY | Falcon Aero Manufacturing, Llc Div Falcon Aero Mfg (USA) |
| Reference | Meaning |
|---|---|
| 7-611A21526-001 | 5/9 Secondary reference The Boeing Company |
| 6009 | 5/9 Secondary reference Falcon Aero Manufacturing, Llc Div Falcon Aero Mfg |
NSN 1660-01-666-9310 is a Valve Assembly,environmental Con, manufactured by Falcon Aero Manufacturing, Llc Div Falcon Aero Mfg, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-666-9310 has 2 manufacturer part numbers on file: 7-611A21526-003 (The Boeing Company), 6009-003 (Falcon Aero Manufacturing, Llc Div Falcon Aero Mfg).
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 1660-01-666-9310 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.