The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-644-7428, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-644-7428 |
| Primary Part Number | 8625443-1 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Extended Length | 4.0 INCHES NOMINAL IN |
| Design Characteristics | DOUBLE ACTING SINGLE CYLINDER |
| Supplementary Features | OPERATING PRESSURE 1000 PSI MAX;PORTS SAE J 1926/1 SIZE 4 |
| Body Material | STEEL CORROSION RESISTING |
| Mounting Provision for Which Designed | PIN(S) |
| Bore Diameter | 1.0625 INCHES NOMINAL IN |
| Mounting Type and Location | TONGUE CYLINDER BASE |
| 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 |
|---|---|
| 8625443-1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| D-108465-A-4 | 3/9 Design control — primary reference Bimba Llc |
NSN 3040-01-644-7428 is a Cylinder Assembly,actuating,line, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-644-7428 has 1 manufacturer part number on file: 8625443-1 (Naval Sea Systems Command).
Key specifications for 8625443-1: Extended Length: 4.0 INCHES NOMINAL IN; Design Characteristics: DOUBLE ACTING SINGLE CYLINDER; Supplementary Features: OPERATING PRESSURE 1000 PSI MAX;PORTS SAE J 1926/1 SIZE 4; Body Material: STEEL CORROSION RESISTING. 7 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.