The Turbine,aircraft Cooling, cataloged under National Stock Number 1660-01-438-5697, 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 Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-438-5697 |
| Primary Part Number | 203720-3-1 |
| Item Name | Turbine,aircraft Cooling |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| FSC Application Data | ACFT HEATING/COOLING SYSTEM |
| General Characteristics Item Description | APPROX 7.680 IN. LONG; CALCULATEDWEIGHT 12.0 LBS LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 203720-3-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 203720-3 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 1660PL1150305 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 1660PL2073772 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1660-01-438-5697 is a Turbine,aircraft Cooling, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-438-5697 has 2 manufacturer part numbers on file: 203720-3-1 (Honeywell International Inc. Div Aerospace - Torrance), 203720-3 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 203720-3-1: FSC Application Data: ACFT HEATING/COOLING SYSTEM; General Characteristics Item Description: APPROX 7.680 IN. LONG; CALCULATEDWEIGHT 12.0 LBS LBS; End Item Identification: C-130 ACFT (MULTIPLE MODELS). 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.
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.