The Shaft,shouldered, cataloged under National Stock Number 3040-01-346-9836, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 8 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-346-9836 |
| Primary Part Number | 1129E02 ITEM 12 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Step Quantity | 5 |
| First End Diameter | 1.7400 INCHES NOMINAL IN |
| Second End Diameter | 1.5600 INCHES NOMINAL IN |
| Largest Step Diameter | 2.000 INCHES NOMINAL IN |
| First End Style | PLAIN |
| End Similarity | NOT IDENTICAL |
| Second End Style | PLAIN |
| 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 |
|---|---|
| 1129E02 ITEM 12 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 1D41299-001 | 5/9 Secondary reference U.S. Government activity |
| 1D41299 | D/9 Drawing number reference only U.S. Government activity |
| 1129E02 ITEM 12 | 3/2 Design control — primary reference U.S. Government activity |
| 1129E02 | D/9 Drawing number reference only U.S. Government activity |
| 1D41299-002 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-346-9836 is a Shaft,shouldered, manufactured by Westinghouse Electric Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-346-9836 has 1 manufacturer part number on file: 1129E02 ITEM 12 (Westinghouse Electric Corp).
Key specifications for 1129E02 ITEM 12: Step Quantity: 5; First End Diameter: 1.7400 INCHES NOMINAL IN; Second End Diameter: 1.5600 INCHES NOMINAL IN; Largest Step Diameter: 2.000 INCHES NOMINAL IN. 8 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.