The Shaft,shouldered, cataloged under National Stock Number 3040-01-449-9338, 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 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-449-9338 |
| Primary Part Number | 211071822 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Step Quantity | 7 |
| First End Diameter | 0.6220 INCHES NOMINAL IN |
| Second End Diameter | 0.4980 INCHES NOMINAL IN |
| Largest Step Diameter | 0.7480 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Keyway Width | 0.1270 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.46700 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.0600 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0410 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.1270 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND FLAT KEYWAY |
| Material | NICKEL ALLOY |
| External Keyway Length | 0.8200 INCHES NOMINAL SECOND END 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 |
|---|---|
| 211071822 PRIMARY | Naval Sea Systems Command (USA) |
| 582-6408329 FOND 57 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| DF2012-72 FIND 57 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 6408329 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-449-9338 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-449-9338 has 2 manufacturer part numbers on file: 211071822 (Naval Sea Systems Command), 582-6408329 FOND 57 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-449-9723, 3010-01-449-9794. Verify interchangeability with system specifications before substitution.
Key specifications for 211071822: Step Quantity: 7; First End Diameter: 0.6220 INCHES NOMINAL IN; Second End Diameter: 0.4980 INCHES NOMINAL IN; Largest Step Diameter: 0.7480 INCHES NOMINAL IN. 15 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.