The Shaft,shouldered, cataloged under National Stock Number 3040-01-031-1201, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 8 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 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 | 3040-01-031-1201 |
| Primary Part Number | 384933 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Step Quantity | 7 |
| First End Diameter | 0.4375 INCHES NOMINAL IN |
| Second End Diameter | 0.5000 INCHES NOMINAL IN |
| Largest Step Diameter | 0.969 INCHES NOMINAL IN |
| First End Style | PLAIN |
| End Similarity | NOT IDENTICAL |
| Second End Style | PLAIN |
| Material | STEEL |
| 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 |
|---|---|
| 384933 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 3040-01-031-1201 is a Shaft,shouldered, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-031-1201 has 1 manufacturer part number on file: 384933 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-304-5167. Verify interchangeability with system specifications before substitution.
Key specifications for 384933: Step Quantity: 7; First End Diameter: 0.4375 INCHES NOMINAL IN; Second End Diameter: 0.5000 INCHES NOMINAL IN; Largest Step Diameter: 0.969 INCHES NOMINAL IN. 8 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.