The Cylinder Assembly,actuating,line, cataloged under National Stock Number 1650-00-776-4031, 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 Thomas Instrument, Incorporated. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-776-4031 |
| Primary Part Number | 9-24968-502 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Thomas Instrument, Incorporated |
| Status | ACTIVE |
| Pressure Rating | 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Compressed Length | 12.950 INCHES NOMINAL IN |
| Seat Angle in Deg | 60.0 |
| Extended Length | 13.650 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNF |
| Port Thread Class | 3B |
| Port Thread Quantity Per Inch | 20 |
| Port Thread Diameter | 0.438 INCHES NOMINAL IN |
| Port Style | GASKET SEAL |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 1.001 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 9-24968-502 | Thomas Instrument, Incorporated (USA) |
| 9-24968-502 | Aerometals, Inc. (USA) |
| 9-24968-502 | Air Craftors Engineering, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 9-24968-502 | 5/9 Secondary reference U.S. Government activity |
| 9-24968-502 | 5/2 Secondary reference U.S. Government activity |
| 9-24968-502 | C/1 Advisory reference — outside the item-of-supply concept Tactair Fluid Controls Inc |
| 9-24968-502 | 5/1 Secondary reference U.S. Government activity |
| 9-24968-4 | 5/9 Secondary reference U.S. Government activity |
| 9-24968-502 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-00-776-4031 is a Cylinder Assembly,actuating,line, manufactured by Thomas Instrument, Incorporated, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-776-4031 has 3 manufacturer part numbers on file: 9-24968-502 (Thomas Instrument, Incorporated), 9-24968-502 (Aerometals, Inc.), 9-24968-502 (Air Craftors Engineering, Inc.).
Key specifications for 9-24968-502: Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Compressed Length: 12.950 INCHES NOMINAL IN; Seat Angle in Deg: 60.0; Extended Length: 13.650 INCHES NOMINAL IN. 12 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 1650-00-776-4031 has DEMIL Code Q. 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.