The Shaft,shouldered, cataloged under National Stock Number 3040-01-445-4770, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-445-4770 |
| Primary Part Number | 518-5794762 ITEM 19 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Step Quantity | 6 |
| First End Diameter | 0.7500 INCHES NOMINAL IN |
| Second End Step Length | 0.6720 INCHES NOMINAL IN |
| First End Style | INTERNAL THREADED |
| First End Internal Thread Length | 1.0940 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-206, CL A FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | HEXAGONAL |
| Material | NICKEL ALLOY |
| Second End Width Across Flats | 1.5000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 518-5794762 ITEM 19 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5794762 | D/9 Drawing number reference only Naval Sea Systems Command |
| 2018-11 ITEM 19 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3040-01-445-4770 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-445-4770 has 1 manufacturer part number on file: 518-5794762 ITEM 19 (Naval Sea Systems Command).
Key specifications for 518-5794762 ITEM 19: Step Quantity: 6; First End Diameter: 0.7500 INCHES NOMINAL IN; Second End Step Length: 0.6720 INCHES NOMINAL IN; First End Style: INTERNAL THREADED. 10 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.