The Cap,linear Actuating Cylinder, cataloged under National Stock Number 1650-00-657-5386, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1650-00-657-5386 |
| Primary Part Number | 3546884 |
| Item Name | Cap,linear Actuating Cylinder |
| 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 |
| Outside Diameter | 2.426 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 3546884 | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (USA) |
| 3546884 | Kitco Llc (USA) |
| Reference | Meaning |
|---|---|
| 3546884 | 3/2 Design control — primary reference U.S. Government activity |
| 3546884 | 5/9 Secondary reference The Boeing Company |
NSN 1650-00-657-5386 is a Cap,linear Actuating Cylinder, 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 1650-00-657-5386 has 2 manufacturer part numbers on file: 3546884 (Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company), 3546884 (Kitco Llc).
Key specifications for 3546884: Outside Diameter: 2.426 INCHES MAXIMUM IN; Overall Length: 2.630 INCHES MAXIMUM IN; Special Features: 1.312 IN.DIA ONE END;SURFACE FINISH:ANODIZED PER MIL-A-8625 IN; End Item Identification: DOUGLAS AIRCRAFT 55 DEG OPEN SPEED BRAKE ACTUATING CYLINDER. 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.
NSN 1650-00-657-5386 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.