The Housing,sump,turbine, cataloged under National Stock Number 1660-00-288-5451, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-288-5451 |
| Primary Part Number | 571609-4 |
| Item Name | Housing,sump,turbine |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| FSC Application Data | ACFT AIR CONDITIONING SYSTEM |
| General Characteristics Item Description | ALUMINUM ALLOY,MIL-A-21180,ALLOY A356,CLASS 11,0.996-0.998 IN. ID,6.247-6.249 IN. OD,3.840-3.846 IN. LG 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 |
|---|---|
| 571609-4 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 1660-00-288-5451 is a Housing,sump,turbine, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-288-5451 has 1 manufacturer part number on file: 571609-4 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 571609-4: FSC Application Data: ACFT AIR CONDITIONING SYSTEM; General Characteristics Item Description: ALUMINUM ALLOY,MIL-A-21180,ALLOY A356,CLASS 11,0.996-0.998 IN. ID,6.247-6.249 IN. OD,3.840-3.846 IN. LG IN; End Item Identification: P/N 571545-4-2 TURBINE. 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 1660-00-288-5451 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.