The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-391-0812, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-391-0812 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Body Material | STEEL |
| 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 |
|---|---|
| 501E371DA | D/9 Drawing number reference only General Electric Co Naval and Drive Turbine Systems Dept |
| 501E371DAPN24 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 165A833AB-1 | 3/9 Design control — primary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 165A833AB-1 | C/1 Advisory reference — outside the item-of-supply concept Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
NSN 3040-01-391-0812 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): 3040-01-391-0815, 4730-01-396-5195. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-391-0812: Body Material: STEEL. 1 specification is 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.