The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-290-7358, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hiab Usa 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. 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 | 3040-01-290-7358 |
| Primary Part Number | 341 8391 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hiab Usa Inc |
| Status | ACTIVE |
| Outside Diameter | 2.240 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 |
|---|---|
| 341 8391 PRIMARY | Hiab Usa Inc (USA) |
NSN 3040-01-290-7358 is a Piston,linear Actuating Cylinder, manufactured by Hiab Usa Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-290-7358 has 1 manufacturer part number on file: 341 8391 (Hiab Usa Inc).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-577-9306. Verify interchangeability with system specifications before substitution.
Key specifications for 341 8391: Outside Diameter: 2.240 INCHES NOMINAL IN; Overall Length: 44.640 INCHES NOMINAL 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.