The Piston,linear Actuating Cylinder, cataloged under National Stock Number 1650-00-015-2304, 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 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-015-2304 |
| Primary Part Number | 128HM10385-1 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Outside Diameter | 2.750 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 128HM10385-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 128HM10385-1 | Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport (USA) |
| Reference | Meaning |
|---|---|
| 128HM10385-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 128HM10385-1 | 5/1 Secondary reference K S W Machine Co |
NSN 1650-00-015-2304 is a Piston,linear Actuating Cylinder, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-015-2304 has 2 manufacturer part numbers on file: 128HM10385-1 (Northrop Grumman Systems Corporation), 128HM10385-1 (Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport).
Key specifications for 128HM10385-1: Outside Diameter: 2.750 INCHES NOMINAL IN; Overall Length: 20.500 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 2 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.