The Shaft,shouldered, cataloged under National Stock Number 3040-01-499-6042, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-499-6042 |
| Primary Part Number | 752-7068459-18 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material Document and Classification | QQ-S-763 CL 304 COND B FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Material | STEEL COMP 303 |
| 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 |
|---|---|
| 752-7068459-18 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H832-1633-18 | 5/2 Secondary reference U.S. Government activity |
| 7068459 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-499-6042 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-499-6042 has 1 manufacturer part number on file: 752-7068459-18 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-500-5627. Verify interchangeability with system specifications before substitution.
Key specifications for 752-7068459-18: Material Document and Classification: QQ-S-763 CL 304 COND B FED SPEC SINGLE MATERIAL RESPONSE; End Similarity: NOT IDENTICAL; Special Features: NHA,PLASTFOR ASSY,HOIST STBD FWD; MADE FROM P/N 34-26-7816,NSN 3040012828535, SHAFT,SHOULDERED; End Item Identification: LOS ANGELES CLASS SSN (688). 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.