The Shaft,shouldered, cataloged under National Stock Number 3040-01-365-7929, 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 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-365-7929 |
| Primary Part Number | MBEU145897 |
| 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 | 0.3080 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN |
| Step Quantity | 3 |
| First End Diameter | 0.3700 INCHES MINIMUM AND 0.3720 INCHES MAXIMUM IN |
| First End Step Length | 0.380 INCHES NOMINAL IN |
| Second End Diameter | 0.3095 INCHES MINIMUM AND 0.3110 INCHES MAXIMUM IN |
| Second End Step Length | 0.380 INCHES NOMINAL IN |
| Largest Step Diameter | 0.370 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN |
| First End Style | SQUARE (ROUND CORNERS) |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS 5659 H1100 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | SQUARE (ROUND CORNERS) |
| Material | STEEL CORROSION RESISTING |
| Second End Width Across Flats | 0.2460 INCHES MINIMUM AND 0.2480 INCHES MAXIMUM IN |
| 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 |
|---|---|
| MBEU145897 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| MBEU145897 | Martin-Baker Aircraft Company Limited (GBR) |
NSN 3040-01-365-7929 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 3040-01-365-7929 has 2 manufacturer part numbers on file: MBEU145897 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), MBEU145897 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU145897: Surface Finish: 32.0 MICROINCHES; First End Width Across Flats: 0.3080 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN; Step Quantity: 3; First End Diameter: 0.3700 INCHES MINIMUM AND 0.3720 INCHES MAXIMUM IN. 15 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.