The Pack,ecs, cataloged under National Stock Number 1650-01-667-2020, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-667-2020 |
| Primary Part Number | 1015761-3 |
| Item Name | Pack,ecs |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 1015761-3 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 06309-04800-048 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 1650-01-667-2020 is a Pack,ecs, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-667-2020 has 2 manufacturer part numbers on file: 1015761-3 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 06309-04800-048 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 1015761-3: Criticality Code Justification: AGAV; Special Features: WEIGHS 185.9 LBS;3D PART GEOMETRY;PART IS SERIALIZED LBS; End Item Identification: CRITICAL APPLICATION ITEM (CAI);CH-53K SIKORSKY HEAVY LIFT HELICOPTER. 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 1650-01-667-2020 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.