The Shaft,shouldered, cataloged under National Stock Number 3040-01-270-5859, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Electric Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-270-5859 |
| Primary Part Number | 3C3578P03 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Second End External Thread Length | 1.000 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 1.7500 INCHES NOMINAL IN |
| Second End Diameter | 1.0000 INCHES NOMINAL IN |
| Largest Step Diameter | 1.750 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | SAE 1010 ASSN STD 1ST MATERIAL RESPONSE OR SAE 1030 ASSN STD 2ND MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL COMP 1010 OR STEEL COMP 1030 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3C3578P03 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 3C3578 | D/9 Drawing number reference only General Electric Company |
NSN 3040-01-270-5859 is a Shaft,shouldered, manufactured by General Electric Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-270-5859 has 1 manufacturer part number on file: 3C3578P03 (General Electric Company).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-271-3760, 4310-01-271-6154, 3040-01-314-2183. Verify interchangeability with system specifications before substitution.
Key specifications for 3C3578P03: Surface Finish: 125.0 MICROINCHES; Second End External Thread Length: 1.000 INCHES NOMINAL IN; Step Quantity: 3; First End Diameter: 1.7500 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.
NSN 3040-01-270-5859 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.