The Piston,linear Actuating Cylinder, cataloged under National Stock Number 3040-01-408-5780, 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 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-408-5780 |
| Primary Part Number | 585-6406616 FIND 30 |
| Item Name | Piston,linear Actuating Cylinder |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Outside Diameter | 1.125 INCHES MINIMUM AND 3.375 INCHES MAXIMUM IN |
| Nominal Thread Size | 1.125 INCHES IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 585-6406616 FIND 30 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3040-01-408-5780 is a Piston,linear Actuating Cylinder, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-408-5780 has 1 manufacturer part number on file: 585-6406616 FIND 30 (Naval Sea Systems Command).
Key specifications for 585-6406616 FIND 30: Outside Diameter: 1.125 INCHES MINIMUM AND 3.375 INCHES MAXIMUM IN; Overall Length: 14.560 INCHES NOMINAL IN; Nominal Thread Size: 1.125 INCHES IN; Special Features: ONE END 1.125-12UNF-3A THREADED, SECOND END INTERNALLY BORED 2.744 IN. ID, 3.080 IN. DEEP, MATERIAL PER QQ-C-465,USED IN FAIRING HOIST CYLINDER ASSEMBLIES, AN/BRA-34'S/ESM/PERISCOPE, SEAWOLF CLASS SUBMARINE A. 3 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.