The Piston,linear Actuating Cylinder, cataloged under National Stock Number 1650-00-657-5126, 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 Cardic Machine Products, Inc. Dba Cardic Machine Products Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1650-00-657-5126 |
| Primary Part Number | 4445200-501 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Cardic Machine Products, Inc. Dba Cardic Machine Products Inc |
| Status | ACTIVE |
| Outside Diameter | 0.621 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 4445200-501 | Cardic Machine Products, Inc. Dba Cardic Machine Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 4445200-501 | 3/2 Design control — primary reference U.S. Government activity |
| 4445200-501 | 5/9 Secondary reference The Boeing Company |
| 4445200 | D/9 Drawing number reference only U.S. Government activity |
NSN 1650-00-657-5126 is a Piston,linear Actuating Cylinder, manufactured by Cardic Machine Products, Inc. Dba Cardic Machine Products Inc, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-657-5126 has 1 manufacturer part number on file: 4445200-501 (Cardic Machine Products, Inc. Dba Cardic Machine Products Inc).
Key specifications for 4445200-501: Outside Diameter: 0.621 INCHES NOMINAL IN; Overall Length: 3.031 INCHES NOMINAL IN; Special Features: 0.269 IN. W OF GROOVE 0.446 IN. DIA OF GROOVE;0.373 IN. DIA OF BODY;OTHER END IS THD 5/16-24-3A,19/32 IN. THD LG A; 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.
NSN 1650-00-657-5126 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.