The Piston,linear Actuating Cylinder, cataloged under National Stock Number 1650-00-020-7494, 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 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-020-7494 |
| Primary Part Number | 3-43162-1 |
| 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 | 2.250 INCHES NOMINAL IN |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3-43162-1 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| 3-43162-1 | Nell-Joy Industries, Inc. (USA) |
| 3-43162-1 | Aeromax Industries, Inc. (USA) |
| 3-43162-1 | Metadure Parts & Sales, Inc. (USA) |
| 3-43162-1 | Precise Aero Products, Inc Dba Precise Aero Products Inc (USA) |
| 3-43162-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 3-43162-1 | Airtronics, Llc (USA) |
| 3-43162-1 | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (USA) |
| Reference | Meaning |
|---|---|
| 3-43162-1 | 5/9 Secondary reference Flight Logistics, Inc. Dba Pacific Aerodyne |
| 3-43162-1 | 5/9 Secondary reference Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
| 3-43162-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 3-43162-1 | 5/9 Secondary reference S F M Company Inc |
NSN 1650-00-020-7494 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 1650-00-020-7494 has 8 manufacturer part numbers on file: 3-43162-1 (Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co), 3-43162-1 (Nell-Joy Industries, Inc.), 3-43162-1 (Aeromax Industries, Inc.), 3-43162-1 (Metadure Parts & Sales, Inc.), 3-43162-1 (Precise Aero Products, Inc Dba Precise Aero Products Inc) and 3 more.
Key specifications for 3-43162-1: Outside Diameter: 2.250 INCHES NOMINAL IN; Special Features: BAR STEEL 4130 COND D PER MIL-S-6758,CHROME PLATE,STOCKSIZE 5.000 IN. LG,2.250 IN. OD IN; Material: STEEL. 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.