The Cylinder Assembly,actuating,line, cataloged under National Stock Number 1650-01-140-3566, 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. Government technical data includes 9 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 | 1650-01-140-3566 |
| Primary Part Number | 1B48175-511 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Compressed Length | 5.130 INCHES NOMINAL IN |
| Extended Length | 6.981 INCHES NOMINAL IN |
| Port Thread Series Designator | UNS |
| Port Thread Class | 3A A |
| Port Thread Quantity Per Inch | 24 |
| Port Thread Diameter | 0.437 INCHES NOMINAL IN |
| Port Style | INVERTED FLARE |
| Bore Diameter | 1.053 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN |
| Mounting Type and Location | TRUNNION CYLINDER HEAD END |
| 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 |
|---|---|
| 1B48175-511 PRIMARY | The Boeing Company (USA) |
NSN 1650-01-140-3566 is a Cylinder Assembly,actuating,line, manufactured by The Boeing Company, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-140-3566 has 1 manufacturer part number on file: 1B48175-511 (The Boeing Company).
Key specifications for 1B48175-511: Compressed Length: 5.130 INCHES NOMINAL IN; Extended Length: 6.981 INCHES NOMINAL IN; Port Thread Series Designator: UNS; Port Thread Class: 3A A. 9 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 1650-01-140-3566 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.