The Shaft,straight, cataloged under National Stock Number 3040-00-424-0503, 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 12 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 | 3040-00-424-0503 |
| Primary Part Number | 9B2047 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| FSC Application Data | GASOLINE STARTING ENGINE,DIESEL ENGINE |
| Second End Hole Diameter | 0.1250 INCHES NOMINAL IN |
| First End Diameter | 0.3750 INCHES NOMINAL IN |
| Second End Diameter | 0.3750 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Material Document and Classification | QQ-S-633A FED SPEC SINGLE MATERIAL RESPONSE A |
| Second End Distance From Hole Center to End | 0.344 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.1250 INCHES NOMINAL IN |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL COMP 1018 |
| First End Distance From Hole Center to End | 0.250 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 |
|---|---|
| 9B2047 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 3040-00-424-0503 is a Shaft,straight, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-424-0503 has 1 manufacturer part number on file: 9B2047 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 9B2047: FSC Application Data: GASOLINE STARTING ENGINE,DIESEL ENGINE; Second End Hole Diameter: 0.1250 INCHES NOMINAL IN; First End Diameter: 0.3750 INCHES NOMINAL IN; Second End Diameter: 0.3750 INCHES NOMINAL IN. 12 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.