The Shaft,shouldered, cataloged under National Stock Number 3040-01-151-0705, 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 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-151-0705 |
| Primary Part Number | 74A650055-2001 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| FSC Application Data | QUADRANT ASSEMLBY,POWER CONTROL,AFT COCKPIT |
| Second End Flat Length | 0.565 INCHES NOMINAL IN |
| Step Quantity | 4 |
| First End Diameter | 0.4994 INCHES NOMINAL IN |
| First End Flat Depth | 0.0200 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM IN |
| Second End Diameter | 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN |
| First End Style | FLATTED AND INTERNALLY THREADED |
| First End Internal Thread Length | 0.313 INCHES NOMINAL IN |
| Material Document and Classification | AMS5645 ASSN STD SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Material | STEEL COMP 17-4PH |
| Second End Flat Depth | 0.2000 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 |
|---|---|
| 74A650055-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10106941 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A650055-2001 | 5/9 Secondary reference Weba Inc |
NSN 3040-01-151-0705 is a Shaft,shouldered, manufactured by The Boeing Company Div Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-151-0705 has 1 manufacturer part number on file: 74A650055-2001 (The Boeing Company Div Defense).
Key specifications for 74A650055-2001: Surface Finish: 16.0 MICROINCHES; FSC Application Data: QUADRANT ASSEMLBY,POWER CONTROL,AFT COCKPIT; Second End Flat Length: 0.565 INCHES NOMINAL IN; Step Quantity: 4. 14 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.