The Diffuser,air,aircraft Heating an, cataloged under National Stock Number 1660-01-121-0606, 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 Globe Motors, Inc. Dba Allient Dayton. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-121-0606 |
| Primary Part Number | 19A2501 |
| Item Name | Diffuser,air,aircraft Heating an |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Globe Motors, Inc. Dba Allient Dayton |
| Status | ACTIVE |
| General Characteristics Item Description | WINDSHIELD DEFOGGING BLOWER; FURNISHED WITH FILTER; 2.980 IN. MINIMUM AND 3.040 IN. MAXIMUM BODY DIAMETER; 3.248 IN. MAXIMUM OVERALL HEIGHT 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 |
|---|---|
| 206070475-5 | Leonardo Belgium (BEL) |
| 19A2501 PRIMARY | Globe Motors, Inc. Dba Allient Dayton (USA) |
| Reference | Meaning |
|---|---|
| 206-070-475-5 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 1660-01-121-0606 is a Diffuser,air,aircraft Heating an, manufactured by Globe Motors, Inc. Dba Allient Dayton, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-121-0606 has 2 manufacturer part numbers on file: 206070475-5 (Leonardo Belgium), 19A2501 (Globe Motors, Inc. Dba Allient Dayton).
Key specifications for 19A2501: General Characteristics Item Description: WINDSHIELD DEFOGGING BLOWER; FURNISHED WITH FILTER; 2.980 IN. MINIMUM AND 3.040 IN. MAXIMUM BODY DIAMETER; 3.248 IN. MAXIMUM OVERALL HEIGHT 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 1660-01-121-0606 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.