The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-00-560-1377, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-560-1377 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| First Piston Rod End Thread Class | 3A A |
| Mounting Facility Diameter | 0.500 INCHES MAXIMUM IN |
| Mounting Facility Diameter | 0.499 INCHES MINIMUM IN |
| Pressure Rating | 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Compressed Length | 20.075 INCHES NOMINAL IN |
| Temp Rating | -65.0 FAHRENHEIT DEGF |
| Temp Rating | 400.0 FAHRENHEIT DEGF |
| Extended Length | 26.640 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Overall Diameter | 2.650 INCHES NOMINAL IN |
| First Piston Rod End Thread Quantity Per Inch | 20 |
| First End External Thread Length | 3.250 INCHES NOMINAL IN |
| Body Outside Diameter | 2.090 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN |
| First Piston Rod End Style | EXTERNAL THREADED |
| First Piston Rod End Thread Series Designator | UNEF |
| Mounting Provision for Which Designed | UNTHREADED MOUNTING HOLES |
| Integral Valve Operation Method | HYDRAULIC |
| Mounting Type and Location | LUG(S) CYLINDER HEAD END |
| First Piston Rod End Thread Diameter | 0.812 INCHES NOMINAL IN |
| First End Outside Diameter | 0.812 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 |
|---|---|
| 517D296P3 | 5/2 Secondary reference U.S. Government activity |
| 112504 | 3/2 Design control — primary reference U.S. Government activity |
| 1125-0-4 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-00-560-1377 is a Cylinder Assembly,actuating,line, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5841-00-969-6292, 3040-01-042-8623. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-00-560-1377: First Piston Rod End Thread Class: 3A A; Mounting Facility Diameter: 0.500 INCHES MAXIMUM IN; Mounting Facility Diameter: 0.499 INCHES MINIMUM IN; Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. 20 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.