The Shaft,shouldered, cataloged under National Stock Number 3040-01-298-8647, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-298-8647 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 8 |
| First End Diameter | 0.7500 INCHES NOMINAL IN |
| Second End Diameter | 1.3720 INCHES NOMINAL IN |
| Second End Step Length | 0.8800 INCHES NOMINAL IN |
| Largest Step Diameter | 1.372 INCHES NOMINAL IN |
| First End External Thread Length | 1.1300 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| End Similarity | NOT IDENTICAL |
| Second End Style | SQUARE (ROUND CORNERS) |
| Material | NICKEL ALLOY |
| Second End Width Across Flats | 1.0580 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 |
| Reference | Meaning |
|---|---|
| 704-4685210 | D/9 Drawing number reference only U.S. Government activity |
| 704-4685210 ITEM 4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-298-8647 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-298-8647: Step Quantity: 8; First End Diameter: 0.7500 INCHES NOMINAL IN; Second End Diameter: 1.3720 INCHES NOMINAL IN; Second End Step Length: 0.8800 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.