The Diffuser,air,aircraft Heating an, cataloged under National Stock Number 1660-01-386-1133, 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 Sierracin Corporation. Government technical data includes 3 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 | 1660-01-386-1133 |
| Primary Part Number | 166769-01 |
| Item Name | Diffuser,air,aircraft Heating an |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Sierracin Corporation |
| Status | ACTIVE |
| FSC Application Data | ACFT HEATING/COOLING SYSTEM |
| General Characteristics Item Description | DIFFUSER KIT; TO BE COMPLETED UPON ASSEMBLY WITH AIRCRAFT; CONTENTS OF KIT: COVER PLATE; SHIELD DEFLECTOR; 9 SPACERS; SEAL; SEALENT; 33 RIVET |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 166769-01 PRIMARY | Sierracin Corporation (USA) |
NSN 1660-01-386-1133 is a Diffuser,air,aircraft Heating an, manufactured by Sierracin Corporation, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-386-1133 has 1 manufacturer part number on file: 166769-01 (Sierracin Corporation).
Key specifications for 166769-01: FSC Application Data: ACFT HEATING/COOLING SYSTEM; General Characteristics Item Description: DIFFUSER KIT; TO BE COMPLETED UPON ASSEMBLY WITH AIRCRAFT; CONTENTS OF KIT: COVER PLATE; SHIELD DEFLECTOR; 9 SPACERS; SEAL; SEALENT; 33 RIVET; End Item Identification: F-15A/C AIRCRAFT A; Material: ALUMINUM ALLOY. 3 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 1660-01-386-1133 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.