The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-178-1071, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-178-1071 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Hole Diameter | 0.250 INCHES NOMINAL IN |
| Compressed Length | 5.469 INCHES NOMINAL IN |
| Piston Rod End Similarity | NOT IDENTICAL |
| Extended Length | 6.469 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Overall Diameter | 0.688 INCHES NOMINAL IN |
| First Piston Rod End Thread Quantity Per Inch | 28 |
| First End External Thread Length | 0.625 INCHES NOMINAL IN |
| Second Piston Rod End Style | TONGUE TYPE |
| First Piston Rod End Style | EXTERNAL THREADED |
| First Piston Rod End Thread Series Designator | UNF |
| Bore Diameter | 0.562 INCHES NOMINAL IN |
| Mounting Type and Location | TONGUE CYLINDER HEAD END |
| First Piston Rod End Thread Diameter | 0.250 INCHES NOMINAL IN |
| First End Outside Diameter | 0.250 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 |
|---|---|
| H9C-1D | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-178-1071 is a Cylinder Assembly,actuating,line, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-178-1071: Second End Hole Diameter: 0.250 INCHES NOMINAL IN; Compressed Length: 5.469 INCHES NOMINAL IN; Piston Rod End Similarity: NOT IDENTICAL; Extended Length: 6.469 INCHES NOMINAL IN. 15 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.