The Shaft,straight, cataloged under National Stock Number 3040-01-104-9302, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Oshkosh Defense 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-104-9302 |
| Primary Part Number | 7CA309 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Second End Grooved Flat Length | 0.1300 INCHES NOMINAL IN |
| Surface Finish | 1.6 MICROINCHES |
| First End Diameter | 0.2500 INCHES NOMINAL IN |
| Second End Distance From End to Flat | 0.165 INCHES NOMINAL IN |
| Second End Diameter | 0.2500 INCHES NOMINAL IN |
| First End Style | PLAIN |
| End Similarity | NOT IDENTICAL |
| Second End Grooved Flat Depth | 0.1250 INCHES NOMINAL IN |
| Second End Style | FLAT GROOVED |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-01-104-9302 is a Shaft,straight, manufactured by Oshkosh Defense Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-104-9302 has 2 manufacturer part numbers on file: 7CA309 (Oshkosh Defense Llc), 4N937 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 7CA309: Second End Grooved Flat Length: 0.1300 INCHES NOMINAL IN; Surface Finish: 1.6 MICROINCHES; First End Diameter: 0.2500 INCHES NOMINAL IN; Second End Distance From End to Flat: 0.165 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.
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.