The Shaft,shouldered, cataloged under National Stock Number 3040-00-447-9706, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-447-9706 |
| Primary Part Number | 8052246 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc |
| Status | ACTIVE |
| Second End External Thread Length | 1.443 INCHES NOMINAL IN |
| Step Quantity | 14 |
| First End Diameter | 0.6250 INCHES NOMINAL IN |
| Second End Diameter | 1.0000 INCHES NOMINAL IN |
| Largest Step Diameter | 1.750 INCHES NOMINAL IN |
| First End External Thread Length | 0.188 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8052246 | Engine Systems, Inc. Dba Marine Systems Div Marine Systems, Inc. (USA) |
| 8052246 PRIMARY | Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 8052246 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
NSN 3040-00-447-9706 is a Shaft,shouldered, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-447-9706 has 2 manufacturer part numbers on file: 8052246 (Engine Systems, Inc. Dba Marine Systems Div Marine Systems, Inc.), 8052246 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).
Key specifications for 8052246: Second End External Thread Length: 1.443 INCHES NOMINAL IN; Step Quantity: 14; First End Diameter: 0.6250 INCHES NOMINAL IN; Second End Diameter: 1.0000 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.
NSN 3040-00-447-9706 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.