The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-398-5638, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Superior Fabrication Company, Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-398-5638 |
| Primary Part Number | 25.021 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Superior Fabrication Company, Llc |
| Status | ACTIVE |
| Compressed Length | 20.000 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Body Material | STEEL |
| Bore Diameter | 2.500 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 |
|---|---|
| 25.021 PRIMARY | Superior Fabrication Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 073809 | 3/9 Design control — primary reference Brudi Inc |
| 073809 | 5/9 Secondary reference Brudi Equipment Inc |
NSN 3040-01-398-5638 is a Cylinder Assembly,actuating,line, manufactured by Superior Fabrication Company, Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-398-5638 has 1 manufacturer part number on file: 25.021 (Superior Fabrication Company, Llc).
Key specifications for 25.021: Compressed Length: 20.000 INCHES NOMINAL IN; Design Characteristics: SINGLE ACTING SINGLE CYLINDER; Body Material: STEEL; End Item Identification: 3930-01-373-3625. 4 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.