The Turbine,aircraft Cooling, cataloged under National Stock Number 1660-01-476-0057, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-01-476-0057 |
| Primary Part Number | 203430-4-1 |
| 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 |
| 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 |
|---|---|
| 203430-4-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 203430-4-1 | Richards Surgical Mfg Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 1660PL2107316 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1660-01-476-0057 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 1660-01-476-0057 has 2 manufacturer part numbers on file: 203430-4-1 (Honeywell International Inc. Div Aerospace - Torrance), 203430-4-1 (Richards Surgical Mfg Co Inc).
Key specifications for 203430-4-1: Special Features: 9.580 IN. LG O/A; 2.680 IN. FLAN GE OD CABIN AIR OUTLET; 2.690 IN. FLANGE OD CABIN AIR INLET; 3.500 IN. TUBE OD COOLANT AIR OUTLET; 7.650 IN. FLANGE COOLANT AIR INLET; OIL SUMP WITH INTEGRAL DIPSTICK; IMPROVED OIL WICKING CIRCUIT; CERAMIC BEARINGS; CALCULATED BEARING LIFE 5000 HOURS IN; End Item Identification: C130H AIR CONDITIONING SYSTEM. 0 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 1660-01-476-0057 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.