The Shaft,shouldered, cataloged under National Stock Number 3040-01-426-7046, 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 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-426-7046 |
| Primary Part Number | 802-6912389 PIECE 49 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| First End Width Across Flats | 1.500 INCHES NOMINAL IN |
| Second End External Thread Length | 0.6090 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 0.9400 INCHES MINIMUM AND 0.9420 INCHES MAXIMUM IN |
| First End Step Length | 0.500 INCHES NOMINAL IN |
| Second End Diameter | 0.6250 INCHES NOMINAL IN |
| Largest Step Diameter | 1.500 INCHES NOMINAL IN |
| First End Style | HEXAGONAL |
| Second End Groove Diameter | 0.5310 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0940 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.6090 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND EXTERNALLY THREADED |
| Material | STEEL COMP 316 |
| 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 |
|---|---|
| 802-6912389 PIECE 49 PRIMARY | Naval Sea Systems Command (USA) |
| 802-6912389-49 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6912389 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-426-7046 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-426-7046 has 2 manufacturer part numbers on file: 802-6912389 PIECE 49 (Naval Sea Systems Command), 802-6912389-49 (Naval Sea Systems Command).
Key specifications for 802-6912389 PIECE 49: Surface Finish: 32.0 MICROINCHES; First End Width Across Flats: 1.500 INCHES NOMINAL IN; Second End External Thread Length: 0.6090 INCHES NOMINAL IN; Step Quantity: 3. 15 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.