The Shaft,shouldered, cataloged under National Stock Number 3040-01-083-4352, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-083-4352 |
| Primary Part Number | 4M9214 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Step Quantity | 2 |
| First End Diameter | 0.4813 INCHES NOMINAL IN |
| Second End Diameter | 0.8750 INCHES NOMINAL IN |
| Second End Step Length | 0.531 INCHES NOMINAL IN |
| Largest Step Diameter | 1.281 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Second End Tongue Width | 0.875 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Tongue Thickness | 0.375 INCHES NOMINAL IN |
| First End Distance From End to Groove | 0.063 INCHES NOMINAL IN |
| First End Groove Diameter | 0.4305 INCHES NOMINAL IN |
| Second End Style | TONGUE |
| Material | STEEL |
| First End Groove Width | 0.6250 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 |
|---|---|
| 4M9214 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 3040-01-083-4352 is a Shaft,shouldered, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-083-4352 has 1 manufacturer part number on file: 4M9214 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 4M9214: Step Quantity: 2; First End Diameter: 0.4813 INCHES NOMINAL IN; Second End Diameter: 0.8750 INCHES NOMINAL IN; Second End Step Length: 0.531 INCHES NOMINAL IN. 14 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.