The Shaft,shouldered, cataloged under National Stock Number 3040-00-915-0722, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-915-0722 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 2 |
| First End Diameter | 0.2490 INCHES NOMINAL IN |
| Second End Diameter | 0.2490 INCHES NOMINAL IN |
| Largest Step Diameter | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| First End Style | CIRCULAR GROOVED |
| End Similarity | IDENTICAL |
| First End Distance From End to Groove | 0.060 INCHES NOMINAL IN |
| First End Groove Diameter | 0.2490 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| First End Groove Width | 0.0280 INCHES MINIMUM AND 0.0380 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 |
|---|---|
| 9379-1 | 3/9 Design control — primary reference Edo |
NSN 3040-00-915-0722 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): 5995-01-578-4959. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-00-915-0722: Step Quantity: 2; First End Diameter: 0.2490 INCHES NOMINAL IN; Second End Diameter: 0.2490 INCHES NOMINAL IN; Largest Step Diameter: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN. 10 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.