The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-422-9451, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-422-9451 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Port Thread Series Designator | UNF |
| Mounting Provision Arrangement Style | FOUR HOLE RECTANGULAR |
| First Piston Rod End Style | EXTERNAL THREADED |
| Longest Vertical Distance Between Mounting Centers | 1.630 INCHES NOMINAL IN |
| Port Thread Class | 1B |
| Port Thread Quantity Per Inch | 14 |
| Body Material | STEEL |
| Port Thread Diameter | 0.875 INCHES NOMINAL IN |
| Mounting Facility Thread Diameter | 0.438 INCHES NOMINAL IN |
| Port Style | GASKET SEAL |
| Mounting Provision for Which Designed | THREADED MOUNTING HOLES |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 1.500 INCHES NOMINAL IN |
| Longest Horizontal Distance Between Mounting Centers | 3.438 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 |
|---|---|
| EE110736F | 3/2 Design control — primary reference U.S. Government activity |
| 1.50CFH2HKTVS13AC82 | 5/1 Secondary reference U.S. Government activity |
NSN 3040-01-422-9451 is a Cylinder Assembly,actuating,line, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-424-9817, 3040-01-424-9822, 3040-01-424-9823. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-422-9451: Design Characteristics: SINGLE ACTING SINGLE CYLINDER; Port Thread Series Designator: UNF; Mounting Provision Arrangement Style: FOUR HOLE RECTANGULAR; First Piston Rod End Style: EXTERNAL THREADED. 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.