The Shaft,shouldered, cataloged under National Stock Number 3040-00-111-1471, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-111-1471 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| FSC Application Data | TURBINE ENGINE |
| Step Quantity | 7 |
| First End Diameter | 0.6800 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM IN |
| Second End Diameter | 0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.8283 INCHES MINIMUM AND 0.8333 INCHES MAXIMUM IN |
| Second End Spline Minor Diameter | 0.4493 INCHES MINIMUM AND 0.4583 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Second End Spline Major Diameter | 0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN |
| Material Document and Classification | EMS 642 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 13 |
| Second End Style | SPLINED (STRAIGHT) |
| Material | STEEL |
| Second End Spline Length | 0.5000 INCHES MINIMUM AND 0.5200 INCHES MAXIMUM 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 |
|---|---|
| 698240-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-111-1471 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4720-01-531-0720. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-00-111-1471: FSC Application Data: TURBINE ENGINE; Step Quantity: 7; First End Diameter: 0.6800 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM IN; Second End Diameter: 0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN. 14 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.