The Cooler,hydraulic Oil,aircraft, cataloged under National Stock Number 1650-01-300-7904, 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 Hamilton Sundstrand Power Sytems Use CAGE Code 55820 for Cataloging. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-300-7904 |
| Primary Part Number | 737556 |
| Item Name | Cooler,hydraulic Oil,aircraft |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Hamilton Sundstrand Corporation Dba Hamilton Sundstrand Power Sytems Use CAGE Code 55820 for Cataloging |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 737556 | Hamilton Sundstrand Corporation Dba Hamilton Sundstrand Power Sytems Use CAGE Code 55820 for Cataloging (USA) |
| Reference | Meaning |
|---|---|
| 214-040-862-103 | 1/3 Source control — Government-approved source U.S. Government activity |
| 727860 | 5/2 Secondary reference U.S. Government activity |
NSN 1650-01-300-7904 is a Cooler,hydraulic Oil,aircraft, manufactured by Hamilton Sundstrand Corporation Dba Hamilton Sundstrand Power Sytems Use CAGE Code 55820 for Cataloging, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-300-7904 has 1 manufacturer part number on file: 737556 (Hamilton Sundstrand Corporation Dba Hamilton Sundstrand Power Sytems Use CAGE Code 55820 for Cataloging).
Key specifications for 737556: Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO.. 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 1650-01-300-7904 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.