The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-208-4882, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-208-4882 |
| Primary Part Number | 72A356438-2007 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Outside Diameter | 1.623 INCHES NOMINAL IN |
| Ring Groove Quantity | 2 |
| Material | STEEL COMP 303 |
| 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 |
|---|---|
| 72A356438-2007 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 72A356438 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 3040-01-208-4882 is a Piston,linear Actuating Cylinder, manufactured by The Boeing Company Div Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-208-4882 has 1 manufacturer part number on file: 72A356438-2007 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-305-2292. Verify interchangeability with system specifications before substitution.
Key specifications for 72A356438-2007: Outside Diameter: 1.623 INCHES NOMINAL IN; Overall Length: 2.890 INCHES NOMINAL IN; Ring Groove Quantity: 2; Special Features: MATERIAL SPEC ASTM A582,CLASS 303SE. 3 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.