The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-417-6201, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hampton Hydraulics, Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-417-6201 |
| Primary Part Number | 4121205 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hampton Hydraulics, Llc |
| Status | ACTIVE |
| Outside Diameter | 9.978 INCHES NOMINAL IN |
| Ring Groove Quantity | 2 |
| 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 |
|---|---|
| 4121205 PRIMARY | Hampton Hydraulics, Llc (USA) |
| 912426 PIECE 1 | Hampton Hydraulics, Llc (USA) |
| Reference | Meaning |
|---|---|
| 912426 PIECE 1 | 5/9 Secondary reference Victor Fluid Power Inc |
| 4121205 | 5/9 Secondary reference Victor Fluid Power Inc |
NSN 3040-01-417-6201 is a Piston,linear Actuating Cylinder, manufactured by Hampton Hydraulics, Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-417-6201 has 2 manufacturer part numbers on file: 4121205 (Hampton Hydraulics, Llc), 912426 PIECE 1 (Hampton Hydraulics, Llc).
Key specifications for 4121205: Outside Diameter: 9.978 INCHES NOMINAL IN; Overall Length: 5.380 INCHES NOMINAL IN; Ring Groove Quantity: 2; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 2 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.