The Shaft,shouldered, cataloged under National Stock Number 3040-01-379-4864, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-379-4864 |
| Primary Part Number | 801-6406709 FIND 39 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Step Quantity | 2 |
| First End Diameter | 0.3400 INCHES NOMINAL IN |
| Second End Diameter | 0.1630 INCHES MAXIMUM IN |
| Second End Step Length | 5.8800 INCHES NOMINAL IN |
| Largest Step Diameter | 0.3400 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Angle Between Flats | 90.0 DEGREES NOMINAL |
| End Similarity | NOT IDENTICAL |
| Second End Style | TWO FLATS |
| Material | STEEL COMP 304 |
| 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 |
|---|---|
| 801-6406709 FIND 39 PRIMARY | Naval Sea Systems Command (USA) |
| 801-6406709-39 | Naval Sea Systems Command (USA) |
| 211052690 | Naval Sea Systems Command (USA) |
NSN 3040-01-379-4864 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-379-4864 has 3 manufacturer part numbers on file: 801-6406709 FIND 39 (Naval Sea Systems Command), 801-6406709-39 (Naval Sea Systems Command), 211052690 (Naval Sea Systems Command).
Key specifications for 801-6406709 FIND 39: Step Quantity: 2; First End Diameter: 0.3400 INCHES NOMINAL IN; Second End Diameter: 0.1630 INCHES MAXIMUM IN; Second End Step Length: 5.8800 INCHES NOMINAL IN. 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.