The Cylinder Assembly,actuating,line, cataloged under National Stock Number 3040-01-415-6630, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-415-6630 |
| Primary Part Number | 211071994 |
| Item Name | Cylinder Assembly,actuating,line |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Facility Diameter | 7.280 INCHES NOMINAL IN |
| Compressed Length | 116.625 INCHES NOMINAL IN |
| Mounting Facility Circle Diameter | 6.000 INCHES NOMINAL IN |
| Extended Length | 205.688 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Outside Diameter | UNABLE TO DECODE |
| Mounting Provision Arrangement Style | SIX HOLE BOLT CIRCLE |
| First Piston Rod End Style | UNABLE TO DECODE |
| Port Style | UNABLE TO DECODE |
| Mounting Provision for Which Designed | UNTHREADED MOUNTING HOLES |
| Integral Valve Operation Method | HYDRAULIC |
| Bore Diameter | 3.750 INCHES NOMINAL IN |
| First End Outside Diameter | UNABLE TO DECODE |
| 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 |
|---|---|
| 211071994 PRIMARY | Naval Sea Systems Command (USA) |
| 585-6406616-AY97 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6406616 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-415-6630 is a Cylinder Assembly,actuating,line, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-415-6630 has 2 manufacturer part numbers on file: 211071994 (Naval Sea Systems Command), 585-6406616-AY97 (Naval Sea Systems Command).
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-415-6631, 3040-01-415-6633, 3040-01-415-6639. Verify interchangeability with system specifications before substitution.
Key specifications for 211071994: Mounting Facility Diameter: 7.280 INCHES NOMINAL IN; Compressed Length: 116.625 INCHES NOMINAL IN; Mounting Facility Circle Diameter: 6.000 INCHES NOMINAL IN; Extended Length: 205.688 INCHES NOMINAL IN. 13 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.