The Cylinder Assembly,actuating,line, cataloged under National Stock Number 1650-00-905-0997, 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 Northrop Grumman Systems Corporation. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-905-0997 |
| Primary Part Number | 128H10070-17 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| FSC Application Data | HYDRAULIC SYSTEM,ACFT |
| Pressure Rating | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Compressed Length | 11.188 INCHES NOMINAL IN |
| Seat Angle in Deg | UNABLE TO DECODE |
| Extended Length | 12.531 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNABLE TO DECODE |
| Port Thread Class | UNABLE TO DECODE |
| Port Thread Quantity Per Inch | UNABLE TO DECODE |
| Body Material | STEEL |
| Port Thread Diameter | UNABLE TO DECODE |
| Port Style | UNABLE TO DECODE |
| Bore Diameter | 1.242 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 128H10070-17 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128H10070-19 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 128H10070-17 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 128H10070-19 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 1650-00-905-0997 is a Cylinder Assembly,actuating,line, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-905-0997 has 1 manufacturer part number on file: 128H10070-17 (Northrop Grumman Systems Corporation).
Key specifications for 128H10070-17: Overall Height: 2.750 INCHES NOMINAL IN; FSC Application Data: HYDRAULIC SYSTEM,ACFT; Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Compressed Length: 11.188 INCHES NOMINAL IN. 13 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.