The Shaft,shouldered, cataloged under National Stock Number 3040-01-438-1471, 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 11 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-438-1471 |
| Primary Part Number | 211094741 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Step Quantity | 3 |
| First End Diameter | 0.7100 INCHES NOMINAL IN |
| Second End Diameter | 0.2040 INCHES NOMINAL IN |
| Second End Step Length | 0.7500 INCHES NOMINAL IN |
| Largest Step Diameter | 0.710 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Angle Between Flats | 90.0 DEGREES NOMINAL |
| End Similarity | NOT IDENTICAL |
| Second End Style | TWO FLATS |
| Material | STEEL |
| 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 |
|---|---|
| 211094741 PRIMARY | Naval Sea Systems Command (USA) |
| 801-6406709 FIND NO. 87 | Naval Sea Systems Command (USA) |
| 801-6406709-87 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| DF331106 FN 87 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 6406709 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-438-1471 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-438-1471 has 3 manufacturer part numbers on file: 211094741 (Naval Sea Systems Command), 801-6406709 FIND NO. 87 (Naval Sea Systems Command), 801-6406709-87 (Naval Sea Systems Command).
Key specifications for 211094741: Surface Finish: 63.0 MICROINCHES; Step Quantity: 3; First End Diameter: 0.7100 INCHES NOMINAL IN; Second End Diameter: 0.2040 INCHES NOMINAL IN. 11 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.