The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-291-8690, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-291-8690 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Compressed Length | 11.880 INCHES NOMINAL IN |
| Extended Length | 15.880 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNABLE TO DECODE |
| First Piston Rod End Style | UNABLE TO DECODE |
| Port Nominal Pipe Thread Size | UNABLE TO DECODE |
| Port Style | UNABLE TO DECODE |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 3.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 150-093 | 3/9 Design control — primary reference The Charles Machine Works Inc Dba Ditch Witch |
NSN 3040-01-291-8690 is a Cylinder Assembly,actuating,line, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4130-01-458-8330. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-291-8690: Compressed Length: 11.880 INCHES NOMINAL IN; Extended Length: 15.880 INCHES NOMINAL IN; Design Characteristics: DOUBLE ACTING SINGLE CYLINDER; Port Thread Series Designator: UNABLE TO DECODE. 9 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.