The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-440-1339, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-440-1339 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First Piston Rod End Thread Class | 2A A |
| Mounting Facility Diameter | 0.188 INCHES NOMINAL IN |
| Compressed Length | 6.250 INCHES NOMINAL IN |
| Piston Rod End Similarity | IDENTICAL |
| Extended Length | 7.250 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | NPT |
| First Piston Rod End Thread Quantity Per Inch | 24 |
| First End External Thread Length | 0.750 INCHES NOMINAL IN |
| Body Outside Diameter | 0.876 INCHES NOMINAL IN |
| Mounting Provision Arrangement Style | FOUR HOLE SQUARE |
| First Piston Rod End Style | EXTERNAL THREADED |
| Longest Vertical Distance Between Mounting Centers | 0.876 INCHES NOMINAL IN |
| Port Nominal Pipe Thread Size | 0.125 INCHES IN |
| Port Style | GASKET SEAL |
| First Piston Rod End Thread Series Designator | UNF |
| Mounting Provision for Which Designed | UNTHREADED MOUNTING HOLES |
| Bore Diameter | 0.625 INCHES NOMINAL IN |
| Mounting Type and Location | SCREW BOTH ENDS |
| First Piston Rod End Thread Diameter | 0.312 INCHES NOMINAL IN |
| First End Outside Diameter | 0.312 INCHES NOMINAL IN |
| Longest Horizontal Distance Between Mounting Centers | 0.876 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 |
|---|---|
| H311-6 5/8 X 1-1/2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-440-1339 is a Cylinder Assembly,actuating,line, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-440-1339: First Piston Rod End Thread Class: 2A A; Mounting Facility Diameter: 0.188 INCHES NOMINAL IN; Overall Height: 1.250 INCHES NOMINAL IN; Compressed Length: 6.250 INCHES NOMINAL IN. 22 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.