The Shaft,shouldered, cataloged under National Stock Number 3040-00-494-9625, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Boeing Company. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-494-9625 |
| Primary Part Number | 369A8443 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| First End Width Across Flats | 0.2455 INCHES NOMINAL IN |
| Step Quantity | 5 |
| First End Diameter | 0.3070 INCHES NOMINAL IN |
| First End Step Length | 0.620 INCHES NOMINAL IN |
| Largest Step Diameter | 0.430 INCHES NOMINAL IN |
| First End Style | HEXAGONAL |
| End Similarity | IDENTICAL |
| Material | PLASTIC |
| 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 |
|---|---|
| 369A8443 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 369A8443 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 3040-00-494-9625 is a Shaft,shouldered, manufactured by The Boeing Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-494-9625 has 1 manufacturer part number on file: 369A8443 (The Boeing Company).
Key specifications for 369A8443: Surface Finish: 125.0 MICROINCHES; First End Width Across Flats: 0.2455 INCHES NOMINAL IN; Step Quantity: 5; First End Diameter: 0.3070 INCHES NOMINAL IN. 9 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.