The Shaft,shouldered, cataloged under National Stock Number 3040-01-366-3831, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-366-3831 |
| Primary Part Number | MBEU145906 |
| Item Name | Shaft,shouldered |
| 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 | 32.0 MICROINCHES |
| First End Width Across Flats | 0.3100 INCHES NOMINAL IN |
| Step Quantity | 4 |
| First End Diameter | 0.4350 INCHES NOMINAL IN |
| First End Step Length | 0.5620 INCHES NOMINAL IN |
| Second End Diameter | 0.5585 INCHES NOMINAL IN |
| Second End Step Length | 0.2520 INCHES NOMINAL IN |
| Largest Step Diameter | 0.5585 INCHES NOMINAL IN |
| First End Style | SQUARE (ROUND CORNERS) |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS5659 H900 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Tongue Width | 0.4235 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Tongue Thickness | 0.244 INCHES NOMINAL IN |
| Second End Style | RECTANGULAR |
| 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 |
|---|---|
| MBEU145906 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| MBEU145906 | Martin-Baker Aircraft Company Limited (GBR) |
| Reference | Meaning |
|---|---|
| 10107286 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 3040-01-366-3831 is a Shaft,shouldered, 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 3040-01-366-3831 has 2 manufacturer part numbers on file: MBEU145906 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), MBEU145906 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU145906: Surface Finish: 32.0 MICROINCHES; First End Width Across Flats: 0.3100 INCHES NOMINAL IN; Step Quantity: 4; First End Diameter: 0.4350 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.