The Cylinder Assembly,actuating,line, cataloged under National Stock Number 1650-00-009-6056, 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 The Boeing Company Div Defense. Government technical data includes 7 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-009-6056 |
| Primary Part Number | 53-690078-3 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| FSC Application Data | HYDRAULIC SYSTEM,ACFT |
| Pressure Rating | 4500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Temp Rating | -65.0 FAHRENHEIT DEGF |
| Temp Rating | 275.0 FAHRENHEIT DEGF |
| Extended Length | 17.310 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| First Piston Rod End Style | FORK TYPE (CLEVIS) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 53-690078-3 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 1650-00-009-6056 is a Cylinder Assembly,actuating,line, manufactured by The Boeing Company Div Defense, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-009-6056 has 1 manufacturer part number on file: 53-690078-3 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 1650-00-527-3956. Verify interchangeability with system specifications before substitution.
Key specifications for 53-690078-3: FSC Application Data: HYDRAULIC SYSTEM,ACFT; Pressure Rating: 4500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Temp Rating: -65.0 FAHRENHEIT DEGF; Temp Rating: 275.0 FAHRENHEIT DEGF. 7 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.
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.