The Shaft,straight, cataloged under National Stock Number 3040-01-365-2575, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-365-2575 |
| Primary Part Number | MBEU140478 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| First End Width Across Flats | 0.3080 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN |
| First End Diameter | 0.3080 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN |
| First End Step Length | 5.375 INCHES NOMINAL IN |
| First End Style | SQUARE (ROUND CORNERS) |
| Criticality Code Justification | FEAT |
| End Similarity | IDENTICAL |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| MBEU140478 | Martin-Baker Aircraft Company Limited (GBR) |
| MBEU140478 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| MBEU140478 | Martin-Baker America, Inc (USA) |
NSN 3040-01-365-2575 is a Shaft,straight, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-365-2575 has 3 manufacturer part numbers on file: MBEU140478 (Martin-Baker Aircraft Company Limited), MBEU140478 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), MBEU140478 (Martin-Baker America, Inc).
Key specifications for MBEU140478: Surface Finish: 125.0 MICROINCHES; First End Width Across Flats: 0.3080 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN; First End Diameter: 0.3080 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN; First End Step Length: 5.375 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.