The Duct Modulating,water Separator, cataloged under National Stock Number 1660-01-072-0763, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. 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 | 1660-01-072-0763 |
| Primary Part Number | 746452-1 |
| Item Name | Duct Modulating,water Separator |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| FSC Application Data | WATER SEPARATOR 16600053696P/N73030740585-3 AIRCRAFT F4 |
| General Characteristics Item Description | CRES,AISI 321 OR 347;6.730 IN. LG; 1.530 IN. BARREL DIA,OPERATING PRESSURE 10 PSIG,OPERATING FLUID INTERNAL AND EXTERNAL AIR IN |
| 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 |
|---|---|
| 746452-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 1660-01-072-0763 is a Duct Modulating,water Separator, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-072-0763 has 1 manufacturer part number on file: 746452-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 746452-1: FSC Application Data: WATER SEPARATOR 16600053696P/N73030740585-3 AIRCRAFT F4; General Characteristics Item Description: CRES,AISI 321 OR 347;6.730 IN. LG; 1.530 IN. BARREL DIA,OPERATING PRESSURE 10 PSIG,OPERATING FLUID INTERNAL AND EXTERNAL AIR IN; End Item Identification: 1660001558214P/N73030740585-2. 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 1660-01-072-0763 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.