The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-306-2639, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-306-2639 |
| 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 |
| Mounting Facility Diameter | 1.375 INCHES NOMINAL IN |
| Pressure Rating | 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Compressed Length | 42.000 INCHES NOMINAL IN |
| Temp Rating | -20.0 FAHRENHEIT AND 190.0 FAHRENHEIT DEGF |
| Piston Rod End Similarity | NOT IDENTICAL |
| Extended Length | 53.250 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 |
| Second Piston Rod End Style | SPHERICAL |
| Mounting Facility Length | 5.500 INCHES NOMINAL IN |
| First Piston Rod End Style | UNABLE TO DECODE |
| Port Thread Class | UNABLE TO DECODE |
| Features Provided | CUSHIONED STROKE |
| Port Thread Quantity Per Inch | UNABLE TO DECODE |
| Body Material | STEEL |
| Port Thread Diameter | UNABLE TO DECODE |
| Second End Outside Diameter | UNABLE TO DECODE |
| Port Style | UNABLE TO DECODE |
| First Piston Rod End Thread Series Designator | UNABLE TO DECODE |
| Mounting Provision for Which Designed | PIN(S) |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 2.500 INCHES NOMINAL IN |
| Mounting Type and Location | TRUNNION PISTON ROD END |
| First Piston Rod End Thread Diameter | UNABLE TO DECODE |
| 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 |
|---|---|
| HH055019A | 3/2 Design control — primary reference U.S. Government activity |
| 5753004-2 | 7/1 Vendor item drawing reference Naval Sea Systems Command |
NSN 3040-01-306-2639 is a Cylinder Assembly,actuating,line, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-306-2639: First Piston Rod End Thread Class: UNABLE TO DECODE; Mounting Facility Diameter: 1.375 INCHES NOMINAL IN; Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Compressed Length: 42.000 INCHES NOMINAL IN. 26 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.