The Diffuser,air,aircraft Heating an, cataloged under National Stock Number 1660-01-245-2909, 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 Raytheon E-Systems, Inc. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-245-2909 |
| Primary Part Number | MM-Y0079-001 |
| Item Name | Diffuser,air,aircraft Heating an |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Raytheon E-Systems, Inc |
| Status | ACTIVE |
| FSC Application Data | ENVIRONMENTAL CONTROL SYSTEM |
| General Characteristics Item Description | ALUMINUM ALLOY 6063-T5 PER QQ-A-200/9; MAXIMUM WEIGHT 1.100 POUNDS; 9.500 IN. W; 5.500 IN. H; 2.695 IN. DEEP; FRAME AND BLADE TO BE ANODIZED LBS |
| 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 |
|---|---|
| MM-Y0079-001 PRIMARY | Raytheon E-Systems, Inc (USA) |
NSN 1660-01-245-2909 is a Diffuser,air,aircraft Heating an, manufactured by Raytheon E-Systems, Inc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-245-2909 has 1 manufacturer part number on file: MM-Y0079-001 (Raytheon E-Systems, Inc).
Key specifications for MM-Y0079-001: FSC Application Data: ENVIRONMENTAL CONTROL SYSTEM; General Characteristics Item Description: ALUMINUM ALLOY 6063-T5 PER QQ-A-200/9; MAXIMUM WEIGHT 1.100 POUNDS; 9.500 IN. W; 5.500 IN. H; 2.695 IN. DEEP; FRAME AND BLADE TO BE ANODIZED LBS; End Item Identification: EC-135D AIRCRAFT. 2 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 1660-01-245-2909 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.