The Shaft,shouldered, cataloged under National Stock Number 3040-01-435-1445, 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 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-435-1445 |
| Primary Part Number | 211068683 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Step Quantity | 6 |
| First End Diameter | 1.7490 INCHES NOMINAL IN |
| Second End Diameter | 1.7470 INCHES NOMINAL IN |
| Largest Step Diameter | 5.000 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 1.4965 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 1.7470 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 9 |
| Second End Style | SPLINED (STRAIGHT) |
| Material | NICKEL ALLOY |
| Second End Spline Length | 6.5100 INCHES NOMINAL 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 |
|---|---|
| 801-6405354 FIND 14 | Naval Sea Systems Command (USA) |
| 211068683 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| DF330725 FN 14 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 6405354 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-435-1445 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-435-1445 has 2 manufacturer part numbers on file: 801-6405354 FIND 14 (Naval Sea Systems Command), 211068683 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-435-1512. Verify interchangeability with system specifications before substitution.
Key specifications for 211068683: Step Quantity: 6; First End Diameter: 1.7490 INCHES NOMINAL IN; Second End Diameter: 1.7470 INCHES NOMINAL IN; Largest Step Diameter: 5.000 INCHES NOMINAL IN. 12 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.