The Shaft,shouldered, cataloged under National Stock Number 3040-01-347-2833, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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 | 3040-01-347-2833 |
| Primary Part Number | 845-6556172 ITEM 25 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Step Quantity | 7 |
| First End Style | PLAIN |
| 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 |
|---|---|
| 845-6556197-1 | Naval Sea Systems Command (USA) |
| 845-6556172 ITEM 25 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3040-01-347-2833 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-347-2833 has 2 manufacturer part numbers on file: 845-6556197-1 (Naval Sea Systems Command), 845-6556172 ITEM 25 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-348-4399. Verify interchangeability with system specifications before substitution.
Key specifications for 845-6556172 ITEM 25: Step Quantity: 7; First End Style: PLAIN; End Similarity: NOT IDENTICAL. 3 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.