The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-306-2640, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-306-2640 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First Piston Rod End Thread Class | UNABLE TO DECODE |
| Pressure Rating | 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Center to Center Distance Between Mounting Provisions | 1.800 INCHES NOMINAL IN |
| Mounting Facility Thread Class | 2B |
| Compressed Length | 32.250 INCHES NOMINAL IN |
| Temp Rating | -20.0 FAHRENHEIT AND 190.0 FAHRENHEIT DEGF |
| Piston Rod End Similarity | IDENTICAL |
| Extended Length | 40.500 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNABLE TO DECODE |
| First Piston Rod End Thread Quantity Per Inch | UNABLE TO DECODE |
| Mounting Provision Arrangement Style | TWO HOLE |
| First Piston Rod End Style | UNABLE TO DECODE |
| Mounting Facility Thread Quantity Per Inch | 20 |
| Port Thread Class | UNABLE TO DECODE |
| Features Provided | CUSHIONED STROKE |
| Mounting Facility Thread Length | 0.500 INCHES NOMINAL IN |
| Port Thread Quantity Per Inch | UNABLE TO DECODE |
| Body Material | STEEL |
| Port Thread Diameter | UNABLE TO DECODE |
| Mounting Facility Thread Diameter | 0.250 INCHES NOMINAL IN |
| Port Style | UNABLE TO DECODE |
| First Piston Rod End Thread Series Designator | UNABLE TO DECODE |
| Mounting Facility Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Mounting Provision for Which Designed | THREADED MOUNTING HOLES |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 2.500 INCHES NOMINAL IN |
| Mounting Type and Location | LUG(S) PISTON ROD END |
| Mounting Facility Thread Direction | RIGHT-HAND |
| 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 |
|---|---|
| HH055217D AND E | 3/2 Design control — primary reference U.S. Government activity |
| 5753004-3 | 7/1 Vendor item drawing reference Naval Sea Systems Command |
| HH055217D REV. | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 3040-01-306-2640 is a Cylinder Assembly,actuating,line, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-306-2640: First Piston Rod End Thread Class: UNABLE TO DECODE; Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Center to Center Distance Between Mounting Provisions: 1.800 INCHES NOMINAL IN; Mounting Facility Thread Class: 2B. 29 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.