The Cylinder Assembly,actuating,line, cataloged under National Stock Number 1650-00-657-4875, 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 Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-657-4875 |
| Primary Part Number | 3547888-501 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company |
| Status | ACTIVE |
| FSC Application Data | HYDRAULIC SYSTEM,AIRCRAFT |
| Pressure Rating | 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Compressed Length | 13.562 INCHES NOMINAL IN |
| Seat Angle in Deg | UNABLE TO DECODE |
| Extended Length | 21.500 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE 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 | 1.312 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 | X |
| Part Number | Manufacturer |
|---|---|
| 3547888-501 | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (USA) |
| 3547888-501 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
| 3547888-501 | Kitco Llc (USA) |
| Reference | Meaning |
|---|---|
| 3547888-501 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-00-657-4875 is a Cylinder Assembly,actuating,line, manufactured by Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-657-4875 has 3 manufacturer part numbers on file: 3547888-501 (Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company), 3547888-501 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc), 3547888-501 (Kitco Llc).
Key specifications for 3547888-501: Overall Height: 4.610 INCHES NOMINAL IN; FSC Application Data: HYDRAULIC SYSTEM,AIRCRAFT; Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Compressed Length: 13.562 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.
NSN 1650-00-657-4875 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.