The Shaft,shouldered, cataloged under National Stock Number 3040-01-148-1544, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-148-1544 |
| Primary Part Number | 74A640007-2003 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| FSC Application Data | ACTUATOR,ELECTRO-MECHANICAL,ROTARY-CANOPY |
| Second End Hole Diameter | 0.0760 INCHES NOMINAL IN |
| Second End External Thread Length | 0.367 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 0.8731 INCHES MINIMUM AND 0.8734 INCHES MAXIMUM IN |
| Second End Diameter | 0.3053 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.874 INCHES NOMINAL IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 0.120 INCHES NOMINAL IN |
| Second End Hole Depth | 0.313 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.2500 INCHES NOMINAL IN |
| Second End Style | CROSS DRILLED AND EXTERNALLY THREADED |
| Material | STEEL CORROSION RESISTING |
| First End Distance From Hole Center to End | 0.380 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 |
|---|---|
| 74A640007-2003 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10106937 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 3040-01-148-1544 is a Shaft,shouldered, manufactured by The Boeing Company Div Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-148-1544 has 1 manufacturer part number on file: 74A640007-2003 (The Boeing Company Div Defense).
Key specifications for 74A640007-2003: Surface Finish: 125.0 MICROINCHES; FSC Application Data: ACTUATOR,ELECTRO-MECHANICAL,ROTARY-CANOPY; Second End Hole Diameter: 0.0760 INCHES NOMINAL IN; Second End External Thread Length: 0.367 INCHES NOMINAL IN. 17 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.