The Chamber Assembly,plenum, cataloged under National Stock Number 1660-00-672-4253, 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 Textron Aviation Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1660-00-672-4253 |
| Primary Part Number | 4014331-2 |
| Item Name | Chamber Assembly,plenum |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| General Characteristics Item Description | C/O 1 CHAMBER AND 1 PLATE,ALUM ALLOY PER QQ-A-205/8 COMP 2024-T3,0.040IN. THK BY 5.000 IN. WD BY 21.000 IN. LG O/A CHAMBER,0.025 IN. THK BY 2.000IN. WD BY 5.000 IN. LG O/A PLATE;1 TUBING END;2 NUTPLATES;RIVETS AS REQUIRED IN |
| 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 |
|---|---|
| 4014331-2 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 4014331-2 | 3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 1660-00-672-4253 is a Chamber Assembly,plenum, manufactured by Textron Aviation Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-672-4253 has 1 manufacturer part number on file: 4014331-2 (Textron Aviation Inc).
Key specifications for 4014331-2: General Characteristics Item Description: C/O 1 CHAMBER AND 1 PLATE,ALUM ALLOY PER QQ-A-205/8 COMP 2024-T3,0.040IN. THK BY 5.000 IN. WD BY 21.000 IN. LG O/A CHAMBER,0.025 IN. THK BY 2.000IN. WD BY 5.000 IN. LG O/A PLATE;1 TUBING END;2 NUTPLATES;RIVETS AS REQUIRED IN. 1 specification is 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 1660-00-672-4253 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.