The Shaft,shouldered, cataloged under National Stock Number 3040-01-494-7809, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-494-7809 |
| Primary Part Number | 752-7068448-6 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Second End Hole Diameter | 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Step Quantity | 7 |
| First End Diameter | 0.4967 INCHES MINIMUM AND 0.4975 INCHES MAXIMUM IN |
| Second End Diameter | 0.6200 INCHES MINIMUM AND 0.6220 INCHES MAXIMUM IN |
| Largest Step Diameter | 1.200 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | ASTM A564 TYPE-630 CONDITION H1150 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 0.390 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| 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 |
|---|---|
| 752-7068448-6 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H832-1625-6 | 3/2 Design control — primary reference U.S. Government activity |
| 752-7068448 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-494-7809 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-494-7809 has 1 manufacturer part number on file: 752-7068448-6 (Naval Sea Systems Command).
Key specifications for 752-7068448-6: Second End Hole Diameter: 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; Step Quantity: 7; First End Diameter: 0.4967 INCHES MINIMUM AND 0.4975 INCHES MAXIMUM IN; Second End Diameter: 0.6200 INCHES MINIMUM AND 0.6220 INCHES MAXIMUM 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.
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.