The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-178-7109, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-178-7109 |
| Primary Part Number | 12275469 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| First Piston Rod End Thread Class | 2A A |
| Pressure Rating | 60.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Compressed Length | 14.875 INCHES MAXIMUM IN |
| Temp Rating | 125.0 FAHRENHEIT DEGF |
| Temp Rating | -25.0 FAHRENHEIT DEGF |
| Piston Rod End Similarity | IDENTICAL |
| Extended Length | 19.500 INCHES MINIMUM AND 21.250 INCHES MAXIMUM IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| First Piston Rod End Thread Quantity Per Inch | 18 |
| Body Outside Diameter | 0.750 INCHES NOMINAL IN |
| First Piston Rod End Style | EXTERNAL THREADED |
| First Piston Rod End Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| First Piston Rod End Thread Diameter | 0.312 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 |
| Part Number | Manufacturer |
|---|---|
| 12275469 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12275469 | 3/9 Design control — primary reference Heil Environmental Industries |
NSN 3040-01-178-7109 is a Cylinder Assembly,actuating,line, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-178-7109 has 1 manufacturer part number on file: 12275469 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12275469: First Piston Rod End Thread Class: 2A A; Pressure Rating: 60.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Compressed Length: 14.875 INCHES MAXIMUM IN; Temp Rating: 125.0 FAHRENHEIT DEGF. 13 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.