The Shaft,shouldered, cataloged under National Stock Number 3040-00-459-6675, 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 16 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 | 3040-00-459-6675 |
| Primary Part Number | 5D7338 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Surface Finish | 20.0 MICROINCHES |
| Step Quantity | 4 |
| First End Diameter | 0.4930 INCHES NOMINAL IN |
| Second End Diameter | 0.9830 INCHES NOMINAL IN |
| Largest Step Diameter | 0.983 INCHES NOMINAL IN |
| Second End Spline Minor Diameter | 0.8960 INCHES NOMINAL IN |
| First End External Thread Length | 0.720 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Second End Spline Major Diameter | 0.9830 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Spline Quantity | 19 |
| Second End Pressure Angle | 30.0 DEGREES NOMINAL |
| Second End Style | SPLINED (INVOLUTE) |
| Material | STEEL |
| Second End Pitch Diameter | 0.9500 INCHES NOMINAL IN |
| Second End Spline Length | 0.690 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 |
|---|---|
| 5D7338 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 3040-00-459-6675 is a Shaft,shouldered, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-459-6675 has 1 manufacturer part number on file: 5D7338 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 5D7338: Surface Finish: 20.0 MICROINCHES; Step Quantity: 4; First End Diameter: 0.4930 INCHES NOMINAL IN; Second End Diameter: 0.9830 INCHES NOMINAL IN. 16 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.