The Shaft,shouldered, cataloged under National Stock Number 3040-01-447-4952, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Alfa Laval Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-447-4952 |
| Primary Part Number | 3909500 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Alfa Laval Inc |
| Status | ACTIVE |
| Step Quantity | 3 |
| End Similarity | NOT IDENTICAL |
| 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 |
|---|---|
| 3909500 PRIMARY | Alfa Laval Inc (USA) |
| Reference | Meaning |
|---|---|
| 39095 | 5/9 Secondary reference Alfa Laval Inc |
NSN 3040-01-447-4952 is a Shaft,shouldered, manufactured by Alfa Laval Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-447-4952 has 1 manufacturer part number on file: 3909500 (Alfa Laval Inc).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-677-8923. Verify interchangeability with system specifications before substitution.
Key specifications for 3909500: Step Quantity: 3; End Similarity: NOT IDENTICAL. 2 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.