The Cylinder,actuating,linear, cataloged under National Stock Number 3040-01-305-9952, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-305-9952 |
| Item Name | Cylinder,actuating,linear |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Overall Diameter | 4.250 INCHES NOMINAL IN |
| Mounting Provision Arrangement Style | SINGLE HOLE |
| Port Location and Quantity | 1 CYLINDER HEAD END |
| Material | ALUMINUM BODY |
| Mounting Type and Location | ROD CYLINDER HEAD END |
| Mounting Provision | UNTHREADED MOUNTING HOLES |
| 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 |
|---|---|
| 011586 | 3/9 Design control — primary reference Gh Bettis a Galveston-Houston Co |
| 11586 | 5/9 Secondary reference Gh Bettis a Galveston-Houston Co |
NSN 3040-01-305-9952 is a Cylinder,actuating,linear, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-407-2924, 6515-01-467-7848, 4730-01-620-2374. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-305-9952: Overall Diameter: 4.250 INCHES NOMINAL IN; Mounting Provision Arrangement Style: SINGLE HOLE; Port Location and Quantity: 1 CYLINDER HEAD END; End Item Identification: G-H BETTIS,MDL CB-420,ACTUATOR. 6 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.